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For the Inventor, By the Inventor

Osaka, Japan

Takao Hayashi

This inventor holds 20 USPTO granted patents and 17 published patent applications and 5 EPO patents, primarily in Fuel Cell Technology. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Intellectual Property Management Co., Ltd., Panasonic Corporation. Active years: 1988-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Hayashi. Retrieved from https://idiyas.com/inventor/takao-hayashi-te80pkpj

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

Calculating rank
USPTO Granted Patents = 20 

% Patents Active = 75.0

 

Average Co-Inventor Count = 3.8

ph-index = 7

Forward Citations = 195(Granted Patents)


Location History:

  • Katano, JP (1995 - 1997)
  • Takatsuki, JP (1998)
  • Toyonaka, JP (1998 - 2012)
  • Osaka, JP (1988 - 2022)

Company Filing History:

goldMedal12 out of 27,375 
 
Matsushita Electric Industrial Co., Ltd.
 patents
silverMedal5 out of 13,961 
 
Panasonic Intellectual Property Management Co., Ltd.
 patents
bronzeMedal3 out of 16,454 
 
Panasonic Corporation
 patents

Years Active: 1988-2026

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Areas of Expertise:
Electrode Catalyst
Water Electrolysis
Fuel Cell System
Carbon-Based Material
Optical Disc Device
Optical Head
Information Recording
Gas Diffusion Electrode
Electrochemical Device
Optical Reading
Lens Drive Mechanism
Birefringence Plate
20 patents (USPTO):Explore Patents
1. 12692610 - Electrode catalyst for water electrolysis cell, water electrolysis cells, and water electrolysis devices (2026-07-28),
2. 11316184 - Fuel cell system (2022-04-26),
3. 11211622 - Fuel cell system (2021-12-28),
4. 11165079 - Fuel cell system (2021-11-02),
5. 9929411 - Carbon-based material, electrode catalyst, electrode, gas diffusion electrode, electrochemical device, fuel battery, and process for producing carbon-based material (2018-03-27),
6. 8306393 - Information recording apparatus, information copying system, method for copying information, program and computer readable recording medium (2012-11-06),
7. 7882513 - Optical disc device and method for controlling optical disc device (2011-02-01),
8. 7643391 - Optical head, optical-information medium driving device, and sensor (2010-01-05),
9. 7327935 - Information recorder, system for copying information, method for copying information, program and computer readable recording medium (2008-02-05),
10. 7304920 - Optical head that detects tilt in an optical disk (2007-12-04),
11. 6438091 - Optical head (2002-08-20),
12. 6275463 - Optical head (2001-08-14),
13. 6185167 - Optical head and information recording and reproduction apparatus (2001-02-06),
14. 5790504 - Integrated optical head with an emitting light splitting polarizing (1998-08-04),
15. 5781351 - Mounting structure of objective lens for optical pick-up used for (1998-07-14),

Title: Takao Hayashi: A Pioneer in Fuel Cell Technology

Introduction

Takao Hayashi is a notable inventor based in Osaka, Japan, known for his substantial contributions to fuel cell technology. With a total of 19 patents, Hayashi has made strides in developing innovative solutions that enhance energy efficiency and generation.

Latest Patents

Among his latest inventions is a sophisticated fuel cell system designed to generate electricity efficiently. This system includes a fuel cell that features a cathode and an anode which reduces a mediator at the cathode to produce electricity. It incorporates a regenerator that oxidizes the reduced mediator using an oxidant. The design also contains an oxidant feed path connecting to the regenerator, facilitating the flow of the necessary oxidant. Additionally, it features a reformer, a combustor that heats the reformer, and a heat exchanger that optimizes energy transfer between combustion exhaust from the combustor and the oxidant flowing to the regenerator. Hayashi’s ingenuity is evident in his other patent for a fuel cell system, which outlines paths guiding the reduced mediator from the cathode to the regenerator and the oxidized mediator back to the cathode, complemented by a heat exchanger that efficiently manages fluid dynamics.

Career Highlights

Hayashi has cultivated an impressive career through his work at several leading companies, including Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His experiences at these organizations have allowed him to develop his expertise in fuel cell technology and patent management.

Collaborations

Throughout his career, Takao Hayashi has collaborated with notable colleagues such as Toru Nakamura and Akihiro Arai. These partnerships have contributed to his success in the field and the advancement of innovative technologies.

Conclusion

Takao Hayashi's work exemplifies the spirit of innovation in the energy sector. His contributions, particularly in fuel cell technology, highlight the importance of continuous development towards sustainable energy solutions, making him a significant figure in the realm of inventions and patents.

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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