Sakura, Japan

Tadashi Nishiyama

This inventor holds 51 USPTO granted patents, plus 8 CIPO patents and 1 EPO patent, primarily in Fuel Cell Technology. Top assignees: Honda Motor Co., Ltd., Honda Giken Kogyo Kabushiki Kaisha, Dai-Ichi Kogyo Seiyaku Co., Ltd.. Active years: 1986-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Nishiyama. Retrieved from https://idiyas.com/inventor/tadashi-nishiyama

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


% Patents Active = 68.6

 

 

Average Co-Inventor Count = 3.3

ph-index = 7

Forward Citations = 142(Granted Patents)

Forward Citations (Not Self Cited) = 140(Dec 10, 2025)


Location History:

  • Kyoto, JP (1986 - 1987)
  • Saitama, JP (2005)
  • Shioya-gun, JP (2005 - 2010)
  • Shioya, JP (2011)
  • Tochigi-ken, JP (2007 - 2012)
  • Wako, JP (2005 - 2022)
  • Sakura, JP (2010 - 2022)

Company Filing History:


Years Active: 1986-2022

Loading Chart...
Loading Chart...
Loading Chart...
Areas of Expertise:
Fuel Cell Stack
Electrolysis Apparatus
Separator
Injection-Molding
Power Collecting Terminals
Knock Pin
Dummy Electrode Assembly
Seal Member
Assembly Manifold
Deformable Seal Members
Fuel Cell Vehicle
System
51 patents (USPTO):Explore Patents

As an AI assistant specializing in innovations, inventions, inventors, patent attorneys, assignees, and patents, I will focus on the theme you have provided. Let's start with the article about inventor Tadashi Nishiyama:

Title: Tadashi Nishiyama: Pioneering Innovations in Fuel Cell Technology

Introduction:

Tadashi Nishiyama, a visionary inventor based in Sakura, Japan, has made significant strides in the field of technology and innovation. His relentless passion for pushing the boundaries of technology has established him as a prominent figure in the global landscape of inventors.

Latest Patents:

Nishiyama's latest patents showcase his groundbreaking work in fuel cell technology. One of his notable inventions is the "Dummy Electrode Assembly," a crucial component in fuel cell stacks that optimizes power generation efficiency. Another significant patent is the "Fuel Cell Stack," a design that enhances coolant flow within the fuel cells, improving overall performance.

Career Highlights:

With an impressive portfolio of 47 patents, Nishiyama has demonstrated his expertise and creativity in the realm of fuel cell technology. His innovative solutions have paved the way for advancements in sustainable energy production and have garnered recognition from experts in the field.

Collaborations:

Throughout his illustrious career, Nishiyama has collaborated with esteemed professionals in the industry. Notable coworkers include Narutoshi Sugita and Hiroyuki Tanaka, who have contributed to the success of projects led by Nishiyama. His tenure at renowned companies like Honda Motor Co., Ltd., and Honda Giken Kogyo Kabushiki Kaisha has provided him with invaluable experience and resources to fuel his inventive spirit.

Conclusion:

In conclusion, Tadashi Nishiyama's dedication to innovation and his pioneering work in fuel cell technology have solidified his reputation as a visionary inventor. His contributions continue to inspire future generations of inventors and innovators, shaping the landscape of technological advancements for years to come.

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]
Loading…