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For the Inventor, By the Inventor

Okegawa, Japan

Hiroshi Ogawa

This inventor holds 17 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Valve Technology. Top assignees: Smc Corporation, Sumitomo Chemical Company, Limited, Smc Kabushiki Kaisha. Active years: 2000-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Ogawa. Retrieved from https://idiyas.com/inventor/hiroshi-ogawa-03krw5kr

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

USPTO Granted Patents = 17 

% Patents Active = 100.0

 

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 96(Granted Patents)


Location History:

  • Ibaraki, JP (2000 - 2004)
  • Okegawa, JP (2013 - 2022)
  • Tsukubamirai, JP (2013 - 2023)

Company Filing History:

goldMedal13 out of 1,492 
 
Smc Corporation
 patents
silverMedal3 out of 6,964 
 
Sumitomo Chemical Company, Limited
 patents
bronzeMedal1 out of 565 
 
Smc Kabushiki Kaisha
 patents

Years Active: 2000-2023

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Areas of Expertise:
Gate Valve
Low Noise Gate Valve
Radical-Resistant Gate Valve
Non-Sliding Gate Valve
Mounting Structure
Vacuum Valve
Active Material
Non-Aqueous Battery
Alpha-Alumina Powder
17 patents (USPTO):Explore Patents
1. 11668401 - Dual gate valve (2023-06-06),
2. 11402024 - Gate valve (2022-08-02),
3. 11255464 - Low noise gate valve (2022-02-22),
4. 11174950 - Mounting structure for mounting valve plate to valve rod in gate valve, and gate valve having mounting structure (2021-11-16),
5. 11149860 - Gate valve (2021-10-19),
6. 10876639 - Mounting structure of valve plate with respect to valve rod (2020-12-29),
7. 10539240 - Gate-valve attaching structure (2020-01-21),
8. 9482350 - Radical-resistant gate valve (2016-11-01),
9. 9404589 - Non-sliding gate valve (2016-08-02),
10. 8800956 - Non-sliding gate valve (2014-08-12),
11. 8657257 - Gate valve (2014-02-25),
12. 8534311 - Vacuum valve (2013-09-17),
13. 8474791 - Gate valve (2013-07-02),
14. 8382066 - Gate valve (2013-02-26),
15. 6730435 - Active material for non-aqueous secondary battery, and non-aqueous secondary battery using the same (2004-05-04),

Title: Hiroshi Ogawa: Innovator in Valve Technology

Introduction

Hiroshi Ogawa is a prominent inventor based in Okegawa, Japan. He has made significant contributions to the field of valve technology, holding a total of 17 patents. His innovative designs have improved the functionality and reliability of various valve systems.

Latest Patents

Among his latest inventions is the dual gate valve, which features two valve plates that open and close two openings of a valve box. This design includes a support bar that supports the two valve plates, a valve rod connected to the support bar, and an operation unit that facilitates the opening and closing of the valve plates. The support bar and valve plates extend laterally, perpendicular to the central axis of the valve rod. Additionally, Ogawa has developed a gate valve that allows for easy detachment of the valve plate from the valve rod, enhancing user convenience and reliability.

Career Highlights

Hiroshi Ogawa has worked with notable companies such as SMC Corporation and Sumitomo Chemical Company, Limited. His experience in these organizations has allowed him to refine his skills and contribute to the advancement of valve technology.

Collaborations

Throughout his career, Ogawa has collaborated with talented individuals, including Hiromi Shimoda and Takashi Nagao. These partnerships have fostered innovation and creativity in his projects.

Conclusion

Hiroshi Ogawa's contributions to valve technology through his numerous patents and collaborations highlight his status as a leading inventor in the field. His work continues to influence the industry and inspire future innovations.

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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