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For the Inventor, By the Inventor

Tokyo, Japan

Masahiro Inazuka

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignee: Asahi Kogaku Kogyo Kabushiki Kaisha. Active years: 1996-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masahiro Inazuka. Retrieved from https://idiyas.com/inventor/masahiro-inazuka

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 11

% Patents Active = 100.0

 

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 51(Granted Patents)


Location History:

  • Tokyo, JP (1996 - 1998)
  • Chiba-ken, JP (1999 - 2000)
  • Saitama-ken, JP (2001)

Company Filing History:

goldMedal11 out of 3,132 
 
Asahi Kogaku Kogyo Kabushiki Kaisha
 patents

Years Active: 1996-2001

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11 patents (USPTO):Explore Patents
1. 6212335 - Driving mechanism of lens barrier and zoom lens for camera (2001-04-03),
2. 6104882 - Camera having a built-in retractable flash (2000-08-15),
3. 5970267 - Apparatus for switching visual field frame of view finder, operation (1999-10-19),
4. 5782654 - Battery receiving mechanism (1998-07-21),
5. 5752107 - Real image finder system for a camera (1998-05-12),
6. 5740482 - Finder system for camera (1998-04-14),
7. 5701534 - Seal apparatus of finder (1997-12-23),
8. 5634815 - Battery receiving mechanism (1997-06-03),
9. 5565950 - View finder (1996-10-15),
10. 5563671 - Parallax correcting apparatus of a real image type of viewfinder (1996-10-08),
11. 5537184 - Real image finder system for a camera (1996-07-16),

Title: Masahiro Inazuka: Innovator in Camera Technology

Introduction

Masahiro Inazuka is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of camera technology, holding a total of 11 patents. His innovative designs have enhanced the functionality and usability of cameras, making them more efficient and user-friendly.

Latest Patents

Inazuka's latest patents include a driving mechanism for a lens barrier and a zoom lens for cameras. The barrier mechanism is designed for a zoom lens camera and features a zooming mechanism, a barrier opening/closing mechanism, a motor, and a complex gear system. This innovative design allows for smooth operation of the barrier as the camera zooms in and out. Another notable patent is for a camera with a built-in retractable flash. This camera includes a lens barrel that moves between retracted and advanced positions, with a linkage mechanism that synchronizes the movement of the flash with the lens barrel.

Career Highlights

Throughout his career, Inazuka has worked with notable companies such as Asahi Kogaku Kogyo Kabushiki Kaisha and Ricoh Imaging Company, Ltd. His work in these organizations has allowed him to develop and refine his innovative ideas in camera technology.

Collaborations

Inazuka has collaborated with talented individuals in the industry, including Ichiro Taguchi and Kazunori Osakabe. These collaborations have contributed to the advancement of camera technology and have fostered a creative environment for innovation.

Conclusion

Masahiro Inazuka's contributions to camera technology through his patents and collaborations have made a lasting impact on the industry. His innovative spirit continues to inspire advancements in camera design and functionality.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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