Mamiya-OP Co., Ltd.

TSE:7991 Stock Report

Market Cap: JP¥11.6b

Mamiya-OP Management

Management criteria checks 2/4

Mamiya-OP's CEO is Masao Sekiguchi, appointed in Jun 2022, has a tenure of 4.08 years. directly owns 0.013% of the company’s shares, worth ¥1.46M. The average tenure of the management team and the board of directors is 5.1 years and 3.1 years respectively.

Key information

Masao Sekiguchi

Chief executive officer

n/a

Total compensation

CEO salary percentagen/a
CEO tenure4.1yrs
CEO ownership0.01%
Management average tenure5.1yrs
Board average tenure3.1yrs

Recent management updates

Recent updates

Analysis Article • May 20

Earnings Troubles May Signal Larger Issues for Mamiya-OP (TSE:7991) Shareholders

Investors were disappointed by Mamiya-OP Co., Ltd.'s ( TSE:7991 ) latest earnings release. We did some analysis, and...
Analysis Article • Feb 04

Mamiya-OP (TSE:7991) Seems To Use Debt Quite Sensibly

Legendary fund manager Li Lu (who Charlie Munger backed) once said, 'The biggest investment risk is not the volatility...
Analysis Article • Aug 29

Investors Still Aren't Entirely Convinced By Mamiya-OP Co., Ltd.'s (TSE:7991) Earnings Despite 27% Price Jump

Despite an already strong run, Mamiya-OP Co., Ltd. ( TSE:7991 ) shares have been powering on, with a gain of 27% in the...
Analysis Article • Nov 23

Mamiya-OP Co., Ltd.'s (TSE:7991) Price Is Right But Growth Is Lacking After Shares Rocket 27%

Mamiya-OP Co., Ltd. ( TSE:7991 ) shares have continued their recent momentum with a 27% gain in the last month alone...
Analysis Article • Nov 19

Mamiya-OP's (TSE:7991) Earnings Are Of Questionable Quality

Mamiya-OP Co., Ltd. ( TSE:7991 ) just reported some strong earnings, and the market reacted accordingly with a healthy...
Analysis Article • Nov 07

We Think Mamiya-OP (TSE:7991) Can Stay On Top Of Its Debt

The external fund manager backed by Berkshire Hathaway's Charlie Munger, Li Lu, makes no bones about it when he says...
Analysis Article • Aug 06

Mamiya-OP Co., Ltd.'s (TSE:7991) 27% Dip In Price Shows Sentiment Is Matching Earnings

Unfortunately for some shareholders, the Mamiya-OP Co., Ltd. ( TSE:7991 ) share price has dived 27% in the last thirty...
Analysis Article • May 24

Benign Growth For Mamiya-OP Co., Ltd. (TSE:7991) Underpins Stock's 25% Plummet

The Mamiya-OP Co., Ltd. ( TSE:7991 ) share price has fared very poorly over the last month, falling by a substantial...
Analysis Article • May 21

Mamiya-OP's (TSE:7991) Promising Earnings May Rest On Soft Foundations

Last week's profit announcement from Mamiya-OP Co., Ltd. ( TSE:7991 ) was underwhelming for investors, despite headline...
Analysis Article • May 09

Mamiya-OP (TSE:7991) Seems To Use Debt Quite Sensibly

Howard Marks put it nicely when he said that, rather than worrying about share price volatility, 'The possibility of...

CEO

Masao Sekiguchi (69 yo)

4.1yrs
Tenure

Mr. Masao Sekiguchi serves as President & Representative Director for Mamiya-OP Co., Ltd. since June 2022 and serves as its CEO. He has been a Representative Senior Managing Director of Data Art, Inc. sinc...

Leadership Team

NamePositionTenureCompensationOwnership
Masao Sekiguchi
CEO, President & Representative Director4.1yrsno data0.013%
¥ 1.5m
Takanori Shinoda
MD, GM of Technology Development & Director8yrsno data0.028%
¥ 3.3m
Tsunehiro Higuchi
MD & GM of Administration Headquarters5.1yrsno data0.0039%
¥ 448.0k
5.1yrs
Average Tenure
66yo
Average Age

Experienced Management: 7991's management team is seasoned and experienced (5.1 years average tenure).

Board Members

NamePositionTenureCompensationOwnership
Masao Sekiguchi
CEO, President & Representative Director4.1yrsno data0.013%
¥ 1.5m
Takanori Shinoda
MD, GM of Technology Development & Director11.1yrsno data0.028%
¥ 3.3m
Yoshio Teramoto
Independent outside Director11.1yrsno datano data
Makoto Fukuda
Full-Time Auditor3.1yrsno data0.0087%
¥ 1.0m
Yuji Kawabe
Independent Outside Director3.1yrsno datano data
Satoshi Koda
Outside Auditor2.1yrsno datano data
Naoki Matsutake
Outside Auditor1.5yrsno datano data
3.1yrs
Average Tenure
67yo
Average Age

Experienced Board: 7991's board of directors are considered experienced (3.1 years average tenure).

Company Analysis and Financial Data Status

DataLast Updated (UTC time)
Company Analysis2026/07/16 08:43
End of Day Share Price 2026/07/16 00:00
Earnings2026/03/31
Annual Earnings2026/03/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

PackageDataTimeframeExample US Source *
Company Financials10 years
  • Income statement
  • Cash flow statement
  • Balance sheet
Analyst Consensus Estimates+3 years
  • Forecast financials
  • Analyst price targets
Market Prices30 years
  • Stock prices
  • Dividends, Splits and Actions
Ownership10 years
  • Top shareholders
  • Insider trading
Management10 years
  • Leadership team
  • Board of directors
Key Developments10 years
  • Company announcements

* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

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Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Mamiya-OP Co., Ltd. is covered by 0 analysts. 0 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.