Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
KOIKENSO KOGYO CoTSE:6137 -1.48%77 PB Ratio is 0.66 as of Jul. 13, 2026, which is 74% above its 10-year median of 0.38. GuruFocus rates TSE:6137 with a GF Score™ of 77/100 and a GF Value™ of 円1,275.35 (Modestly Overvalued). The stock has 2 warning signs investors should review. Among 2,985 Industrial Products companies, KOIKENSO KOGYO Co ranks better than 87.57% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-13), KOIKENSO KOGYO Co's share price is 円1468.00. KOIKENSO KOGYO Co's Book Value per Share for the quarter that ended in Mar. 2026 was 円2,223.31. Hence, KOIKENSO KOGYO Co's PB Ratio of today is 0.66.
The historical rank and industry rank for KOIKENSO KOGYO Co's PB Ratio or its related term are showing as below:
TSE:6137'
s PB Ratio Range Over the Past 10 Years
Min: 0.25 Med: 0.38 Max: 1.15
Current: 0.66
During the past 13 years, KOIKENSO KOGYO Co's highest PB Ratio was 1.15. The lowest was 0.25. And the median was 0.38.
TSE:6137's PB Ratio is ranked better than 87.57% of 2985
companies
in the Industrial Products industry
Industry Median: 2.18
vs TSE:6137: 0.66
During the past 12 months, KOIKENSO KOGYO Co's average Book Value Per Share Growth Rate was 10.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 11.90% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 10.10% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 4.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of KOIKENSO KOGYO Co was 11.90% per year. The lowest was -0.10% per year. And the median was 4.30% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
KOIKENSO KOGYO Co PB Ratio Related Terms
KOIKENSO KOGYO Co PB Ratio Historical Data
* Premium members only.
The historical data trend for KOIKENSO KOGYO Co's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Specialty Industrial Machinery subindustry, KOIKENSO KOGYO Co's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
KOIKENSO KOGYO Co PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, KOIKENSO KOGYO Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where KOIKENSO KOGYO Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
KOIKENSO KOGYO Co (TSE:6137) has a PB Ratio of 0.66 as of Jul. 13, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on KOIKENSO KOGYO Co and its competitors. This is 74% above median its historical median of 0.38. Over the past decade, KOIKENSO KOGYO Co's PB Ratio has ranged from 0.25 to 1.15. According to the industry distribution chart, KOIKENSO KOGYO Co ranks #371 out of 2985 companies in the Industrial Products industry, placing it in the top 12.4%.
Is KOIKENSO KOGYO Co's PB Ratio too high?
KOIKENSO KOGYO Co's current PB Ratio of 0.66 is 74% above median its 10-year median of 0.38. Over the past 10 years, this metric has ranged from a low of 0.25 to a high of 1.15. The Industrial Products industry median PB Ratio is 2.18. KOIKENSO KOGYO Co's value of 0.66 is 69.7% below this industry median. Based on the distribution chart, KOIKENSO KOGYO Co ranks #371 out of 2985 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, KOIKENSO KOGYO Co has a GF Score™ of 77/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does KOIKENSO KOGYO Co's PB Ratio compare to GEV and ETN?
According to the Industrial Products industry distribution chart, KOIKENSO KOGYO Co ranks #371 out of 2985 companies for PB Ratio. This places KOIKENSO KOGYO Co in the top 12% of its industry — outperforming the majority of peers. The industry median PB Ratio is 2.18. KOIKENSO KOGYO Co's value of 0.66 is 69.7% below this benchmark. Historically, KOIKENSO KOGYO Co's own PB Ratio has ranged from 0.25 to 1.15 over the past decade. While the company's 10-year median is 0.38 vs. the industry median of 2.18, KOIKENSO KOGYO Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for an Industrial Products company?
The median PB Ratio among Industrial Products companies is 2.18, based on 2,985 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. KOIKENSO KOGYO Co's current PB Ratio of 0.66 is 69.7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on KOIKENSO KOGYO Co and its competitors. For the Industrial Products industry, the median PB Ratio is 2.18 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. KOIKENSO KOGYO Co's current PB Ratio is 0.66, which is 74% above median its own 10-year median of 0.38. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is KOIKENSO KOGYO Co stock overvalued right now?
Based on GuruFocus' analysis, KOIKENSO KOGYO Co (TSE:6137) is currently considered Modestly Overvalued. The stock's GF Value™ is 円1,275.35, compared to a current price of 円1,468.00 — trading 15.1% above its estimated fair value. The current PB Ratio is 0.66, which is 74% above median its 10-year median of 0.38 and 69.7% below the Industrial Products industry median of 2.18. KOIKENSO KOGYO Co's overall GF Score™ is 77/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For KOIKENSO KOGYO Co (TSE:6137), the current PB Ratio is 0.66 as of Jul. 13, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is KOIKENSO KOGYO Co (TSE:6137) Overvalued in 2026?
Based on GuruFocus' analysis, KOIKENSO KOGYO Co stock appears to be overvalued.
The current stock price of 円1,468.00 is trading 15.1% above its estimated GF Value™ of 円1,275.35.
GuruFocus considers KOIKENSO KOGYO Co to be Modestly Overvalued.
Key valuation signals for TSE:6137:
PB Ratio: 0.66 (74% above median its 10-year median of 0.38)
GF Value™: 円1,275.35 vs. price of 円1,468.00 (15.1% above fair value)
Industry Position: 69.7% below the Industrial Products median (#371 of 2985)
No single metric tells the full story. See the TSE:6137 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
KOIKE SANSO KOGYO Co Ltd is a Japan-based machine manufacturer. The company is engaged in the manufacturing and sale of processing machines and systems for welding and cutting and related products. The products offered by the company include gas equipment, exhaust gas treatment equipment, cutting and welding machine. The company caters its products and services to shipbuilding, steel bridges, construction machinery, industrial machinery, automobiles, electric products, and semiconductor industries. KOIKE SANSO KOGYO sells its products in Japan and overseas market.
77GF Score
Get the complete analysis for TSE:6137
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TSE:6137 has been successfully added to your 
