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For the Inventor, By the Inventor

Chiba, Japan

Hiroshi Sakurai

This inventor holds 21 USPTO granted patents, primarily in Imaging Technology. Top assignees: Hitachi, Ltd., Canon Kabushiki Kaisha, Hitachi Video Engineering, Incorporated. Active years: 1984-2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sakurai. Retrieved from https://idiyas.com/inventor/hiroshi-sakurai-ut3n6lwd

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

Calculating rank
USPTO Granted Patents = 21

% Patents Active = 85.7

Average Co-Inventor Count = 2.3

ph-index = 9

Forward Citations = 280(Granted Patents)


Location History:

  • Odawara, JP (1989 - 1991)
  • Kamakura, JP (1989 - 1997)
  • Yokohama, JP (1990 - 2000)
  • Kawasaki, JP (1984 - 2001)
  • Chiba, JP (2002 - 2015)

Company Filing History:

goldMedal10 out of 42,752 
 
Hitachi, Ltd.
 patents
silverMedal7 out of 93,258 
 
Canon Kabushiki Kaisha
 patents
bronzeMedal3 out of 67 
 
Hitachi Video Engineering, Incorporated
 patents
4. 2 out of 3,727 
 
Nippon Steel Corporation
 patents
5. 1 out of 53,315 
 
Kabushiki Kaisha Toshiba
 patents
6. 1 out of 1 
 
Kabushiki Kaishia Tekune Yohkoh
 patent
7. 1 out of 1 
 
Mitchell Instruments Ltd.
 patent
8. 1 out of 28 
 
Tokyo R & D Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1984-2015

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Areas of Expertise:
Image Pickup Apparatus
Viewfinder Display
Focus Detecting Device
Camera System
Digital Camera
Signal Processing
Focusing Apparatus
Electric Vehicle
Magnetic Disk
Hygrometer
Semiconductor Device
Insoluble Electrode
21 patents (USPTO):Explore Patents
1. 9094598 - Image pickup apparatus and focusing method with first and second image pickups on primary and secondary imaging planes (2015-07-28),
2. 7039310 - Viewfinder display apparatus (2006-05-02),
3. 6920284 - Viewfinder display apparatus (2005-07-19),
4. 6465769 - Focus detecting device, and apparatus having the same (2002-10-15),
5. 6220770 - Camera adapted to use a film cartridge having a movable light shield door (2001-04-24),
6. 6173334 - Network system including a plurality of lan systems and an intermediate network having independent address schemes (2001-01-09),
7. 6128036 - Still picture recording digital camera with output unit having delay (2000-10-03),
8. 6089761 - Camera system (2000-07-18),
9. 5990946 - Signal reading and processing arrangement of still picture recording (1999-11-23),
10. 5749007 - Camera using film having a magnetic memory portion (1998-05-05),
11. 5726707 - Signal reading and processing arrangement of still picture recording (1998-03-10),
12. 5654757 - Focusing apparatus for video camera or the like (1997-08-05),
13. 5512945 - Still picture recording digital camera which outputs a dynamic picture (1996-04-30),
14. 5408332 - Focusing apparatus for video camera or the like (1995-04-18),
15. 5014142 - Magnetic disk apparatus with head supporting structures of different (1991-05-07),

Title: The Innovative Legacy of Inventor Hiroshi Sakurai

Introduction: Hiroshi Sakurai, a pioneering inventor hailing from Chiba, Japan, is revered for his groundbreaking contributions to the field of technology. With a portfolio boasting 21 patents, Sakurai's inventive spirit knows no bounds.

Latest Patents: Sakurai's latest patents showcase his ingenuity in the realm of imaging technology. One notable invention is an image pickup apparatus that enhances focusing accuracy for sharper images. Additionally, his viewfinder display apparatus revolutionizes the photography experience by offering a superimposed display with exceptional visibility.

Career Highlights: Throughout his illustrious career, Sakurai has been associated with esteemed companies such as Hitachi Co., Ltd, and Canon Kabushiki Kaisha. His expertise and dedication have led to the development of cutting-edge technologies that have redefined industry standards.

Collaborations: Sakurai has collaborated closely with accomplished individuals in the field, including Hiroyasu Ohtsubo and Kouji Asada. Together, they have championed innovation, pushing boundaries to create groundbreaking solutions.

Conclusion: Hiroshi Sakurai stands as a beacon of innovation in the technology sector, leaving an indelible mark on the industry. His relentless pursuit of perfection and passion for creating impactful inventions continue to inspire future generations of inventors worldwide.

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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