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For the Inventor, By the Inventor

Tokyo, Japan

Osamu Kubota

This inventor holds 23 USPTO granted patents and 11 published patent applications and 6 EPO patents, primarily in Battery Technology. Top assignees: Hitachi, Ltd., Vehicle Energy Japan Inc., Hitachi Automotive Systems, Ltd.. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Osamu Kubota. Retrieved from https://idiyas.com/inventor/osamu-kubota

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

Calculating rank
USPTO Granted Patents = 23 

% Patents Active = 56.5

 

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 46(Granted Patents)


Location History:

  • Hitachi, JP (2010 - 2011)
  • Tokai, JP (2014)
  • Tokyo, JP (2016 - 2023)
  • Hitachinaka, JP (2023 - 2024)

Company Filing History:

goldMedal11 out of 42,743 
 
Hitachi, Ltd.
 patents
silverMedal9 out of 85 
 
Vehicle Energy Japan Inc.
 patents
bronzeMedal3 out of 2,028 
 
Hitachi Automotive Systems, Ltd.
 patents
4. 2 out of 139 
 
Tokai Corporation
 patents
where one patent can have more than one assignee

Years Active: 2010-2026

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Areas of Expertise:
Battery Module
Secondary Cell
Electricity Storage
Fuel Cell
Energy Storage System
Charging Control
Membrane Electrode Assembly
Fuel Cartridge
Fuel Cell Stack
Pressure Regulator
Fuel Supply System
Current Collector Plate
23 patents (USPTO):Explore Patents
1. 12776527 - Battery pack (2026-10-27),
2. 12381284 - Battery module (2025-08-05),
3. 12315955 - Secondary cell module (2025-05-27),
4. 12191525 - Battery module (2025-01-07),
5. 12021266 - Battery module (2024-06-25),
6. 11749871 - Battery module and battery pack (2023-09-05),
7. 11699832 - Battery module (2023-07-11),
8. 11670814 - Electricity storage block and electricity storage module (2023-06-06),
9. 11264666 - Assembled battery (2022-03-01),
10. 10608286 - Secondary cell (2020-03-31),
11. 9887440 - Electricity storage block and electricity storage module (2018-02-06),
12. 9876207 - Battery module (2018-01-23),
13. 9252620 - Battery energy storage system (2016-02-02),
14. 8797000 - Charging control system (2014-08-05),
15. 8691466 - Membrane electrode assembly for fuel cell (2014-04-08),

Title: Osamu Kubota - Innovative Inventor from Tokyo

Introduction: Osamu Kubota is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Osamu Kubota holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous innovation and forward-thinking approach.

Career Highlights: With over two decades of experience in the tech industry, Osamu Kubota has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we interact with technology.

Collaborations: Throughout his career, Osamu Kubota has collaborated with top companies in Japan and internationally, fostering a culture of innovation and knowledge-sharing to drive progress in the tech sector.

Conclusion: Osamu Kubota's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Japan and beyond.

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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