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.
Mamiya-OP Co's total inventories for the quarter that ended in Mar. 2026 was 円6,828 Mil. Mamiya-OP Co's average total inventories from the quarter that ended in Sep. 2025 to the quarter that ended in Mar. 2026 was 円6,597 Mil.
In Ben Graham's calculation of Net-Net Working Capital, inventory is only considered worth half of its book value. Mamiya-OP Co's Net-Net Working Capital per share for the quarter that ended in Mar. 2026 was 円247.46.
Days Inventory indicates the number of days of goods in sales that a company has in the inventory.
Mamiya-OP Co's Days Inventory for the
six
months ended in Mar. 2026 was 207.23.
Inventory Turnover measures how fast the company turns over its inventory within a year.
Mamiya-OP Co's Inventory Turnover for the quarter that ended in Mar. 2026 was 0.88.
Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Mamiya-OP Co's Inventory-to-Revenue for the quarter that ended in Mar. 2026 was 0.86.
Mamiya-OP Co (TSE:7991) Total Inventories Explanation
Inventory control is an important part of business operation. If a company does not have enough inventory, it may not be able to meet customers' required delivery time. If it has too much inventory, the cost of holding the inventory can be high.
1. In Ben Graham's calculation of Net-Net Working Capital (NNWC), inventory is only considered worth half of its book value.
Mamiya-OP Co's Net-Net Working Capital Per Share for the quarter that ended in Mar. 2026 is
4. Inventory-to-Revenue determines the ability of a company to manage their inventory levels. It measures the percentage of Inventories the company currently has on hand to support the current amount of Revenue.
Mamiya-OP Co's Inventory to Revenue for the quarter that ended in Mar. 2026 is calculated as
* 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.
Be Aware
Manufacturers with durable competitive advantages have the advantage that the products they sell do not change, and therefore will never become obsolete. Buffett likes this advantage.
When identifying manufacturers with durable competitive advantage, look for inventory and net earnings that rise correspondingly. This indicates that the company is finding profitable ways to increase sales which called for an increase in inventory.
Manufacturers with inventories that spike up and down are indicative of competitive industries subject to boom and bust.
Mamiya-OP Co Total Inventories Related Terms
Mamiya-OP Co Total Inventories Historical Data
* Premium members only.
The historical data trend for Mamiya-OP Co's Total Inventories 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.
Total Inventories includes the raw materials, work-in-process goods and completely finished goods of a company. It is a portion of a company's current assets.
Mamiya-OP Co (TSE:7991) has a Total Inventories of 円6,828 Mil as of Mar. 2026. The total amount of inventory as recorded on a company's balance sheet. View historical data for Mamiya-OP Co and its competitors.
Is Mamiya-OP Co's Total Inventories too high?
Mamiya-OP Co's current Total Inventories is 円6,828 Mil. Overall, Mamiya-OP Co has a GF Score™ of 64/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Mamiya-OP Co's Total Inventories compare to competitors?
Mamiya-OP Co's Total Inventories of 円6,828 Mil can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Total Inventories for an Industrial Products company?
A good Total Inventories depends on the Industrial Products industry context. However, Total Inventories should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Total Inventories mean?
A high Total Inventories can signal that a stock is expensive relative to its fundamentals. The total amount of inventory as recorded on a company's balance sheet. View historical data for Mamiya-OP Co and its competitors. Mamiya-OP Co's current Total Inventories is 円6,828 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Mamiya-OP Co stock overvalued right now?
Based on GuruFocus' analysis, Mamiya-OP Co (TSE:7991) is currently considered Fairly Valued. The stock's GF Value™ is 円1,079.99, compared to a current price of 円1,099.00 — trading 1.8% above its estimated fair value. The current Total Inventories is 円6,828 Mil. Mamiya-OP Co's overall GF Score™ is 64/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Total Inventories calculated?
Total Inventories is calculated from a company's financial statements. For Mamiya-OP Co (TSE:7991), the current Total Inventories is 円6,828 Mil as of Mar. 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 Mamiya-OP Co (TSE:7991) Overvalued in 2026?
Based on GuruFocus' analysis, Mamiya-OP Co stock appears to be overvalued.
The current stock price of 円1,099.00 is trading 1.8% above its estimated GF Value™ of 円1,079.99.
GuruFocus considers Mamiya-OP Co to be Fairly Valued.
Key valuation signals for TSE:7991:
Total Inventories: 円6,828 Mil
GF Value™: 円1,079.99 vs. price of 円1,099.00 (1.8% above fair value)
No single metric tells the full story. See the TSE:7991 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Mamiya-OP Co Ltd manufactures and sells electronic equipment, sports gear, and manages real estate. Its products include pachinko machines, film thickness gauges, ticket vending machines, banknote transport/recognition systems, and waste disposal devices. It also produces golf equipment, shafts, and breaking rods. The company operates through three segments: Electronic Equipment, which develops gaming machines, validators, autonomous systems, and offers installation and maintenance services; Sports, which makes golf gear, archery equipment, and pole vault poles; and Real Estate, which handles property sales, rentals, brokerage, and management.
64GF Score
Get the complete analysis for TSE:7991
Total Inventories 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:7991 has been successfully added to your 
