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For the Inventor, By the Inventor

Toyohashi, Japan

Munehisa Ikoma

This inventor holds 79 USPTO granted patents and 6 EPO patents, primarily in Alkaline Storage Batteries (CPC class 4292). Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Corporation, Sumitomo Electric Industries, Limited. Active years: 1989-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Munehisa Ikoma. Retrieved from https://idiyas.com/inventor/munehisa-ikoma

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

USPTO Granted Patents = 79

% Patents Active = 92.4


Average Co-Inventor Count = 4.5

ph-index = 21

Forward Citations = 1,247(Granted Patents)

Forward Citations (Not Self Cited) = 1,201(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Osaka, JP (1989 - 1993)
  • Katano, JP (1990 - 1994)
  • Tawarahonmachi, JP (1996)
  • Ishiki-gun, JP (1998 - 2000)
  • Nara-ken, JP (1996 - 2001)
  • Shiki, JP (1995 - 2005)
  • Aichi, JP (2004 - 2005)
  • Toyohashi, JP (1998 - 2007)
  • Shiki-gun, JP (1996 - 2010)
  • Nara, JP (1991 - 2011)

Company Filing History:

goldMedal59 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal5 out of 16,454 
 
Panasonic Corporation
 patents
bronzeMedal3 out of 10,631 
 
Sumitomo Electric Industries, Limited
 patents
4. 3 out of 38,837 
 
Toyota Jidosha Kabushiki Kaisha
 patents
5. 1 out of 8 
 
Sumitomo Electric Industries, Co.
 patents
6. 14 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2011

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Areas of Expertise:
Hydrogen-Absorption Alloy Electrode
Electrochemical Device
Battery Module
Positive Electrode Plate
Nickel Metal-Hydride
Sealed Storage Battery
Safety Vent Device
Battery Assembly
Electrode Manufacturing
Square Shaped Battery
Nickel Electrode Active Material
Closed Secondary Battery
79 patents (USPTO):Explore Patents
1. 7943255 - Hydrogen-absorption alloy electrode (2011-05-17),
2. 7858231 - Current collector sheet and electrochemical device (2010-12-28),
3. 7833656 - Electrochemical device and method for producing the same (2010-11-16),
4. 7679334 - Power supply unit and electric apparatus (2010-03-16),
5. 7547489 - Electrochemical device (2009-06-16),
6. 7294433 - Closed alkaline storage battery (2007-11-13),
7. 7166390 - Battery module, and rechargeable battery for constituting the battery module (2007-01-23),
8. 6902846 - Positive electrode plate for alkaline storage battery and method for manufacturing the same, and alkaline storage battery using the same (2005-06-07),
9. 6893771 - Battery assembly (2005-05-17),
10. 6821673 - Battery module, and rechargeable battery for constituting the battery module (2004-11-23),
11. 6780538 - Battery module, and rechargeable battery for constituting the battery module (2004-08-24),
12. 6777129 - Alkaline storage battery (2004-08-17),
13. 6713211 - Square shaped battery (2004-03-30),
14. 6669742 - Method for producing a nickel metal-hydride storage battery (2003-12-30),
15. 6666899 - Method of manufacturing electrode plates for batteries (2003-12-23),

Title: Munehisa Ikoma - Pioneering Inventor from Toyohashi

Introduction: Munehisa Ikoma is a renowned inventor hailing from Toyohashi, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Munehisa Ikoma holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous dedication to pushing the boundaries of technological advancement.

Career Highlights: With a career spanning over two decades, Munehisa Ikoma has worked with leading tech companies and research institutions, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Munehisa Ikoma has collaborated with top engineers, scientists, and researchers from around the world, fostering a culture of innovation and knowledge-sharing that has led to numerous successful projects and inventions.

Conclusion: Munehisa Ikoma's passion for innovation, coupled with his relentless drive to solve complex challenges, has solidified his reputation as a visionary inventor in the global tech community.

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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