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For the Inventor, By the Inventor

Susono, Japan

Toyokazu Baika

This inventor holds 37 USPTO granted patents and 2 published patent applications, primarily in Internal Combustion Engines. Top assignees: Toyota Jidosha Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha, Koyo Seiko Kabushiki Kaisha. Active years: 1976-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyokazu Baika. Retrieved from https://idiyas.com/inventor/toyokazu-baika

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

USPTO Granted Patents = 37 

% Patents Active = 83.8

Average Co-Inventor Count = 3.5

ph-index = 16

Forward Citations = 609(Granted Patents)


Location History:

  • Susono, JA (1976)
  • Shizuoka, JP (1992)
  • Toyota, JP (2003 - 2005)
  • Susono, JP (1978 - 2020)

Company Filing History:

goldMedal33 out of 38,912 
 
Toyota Jidosha Kabushiki Kaisha
 patents
silverMedal4 out of 1,838 
 
Toyota Jidosha Kogyo Kabushiki Kaisha
 patents
bronzeMedal2 out of 15 
 
Koyo Seiko Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1976-2020

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Areas of Expertise:
Fuel Cell System
Internal Combustion Engine
Two-Stroke Engine
Direct Fuel Injection
Variable Valve Timing
Exhaust Gas Recirculation
Cylinder Injection
Supercharger
Combustion Chamber
Lubricating Mechanism
Control Device
37 patents (USPTO):Explore Patents
1. 10586991 - Fuel cell system and fuel cell system control method (2020-03-10),
2. 8808932 - Fuel cell system (2014-08-19),
3. 7939208 - Fuel cell system (2011-05-10),
4. 7824815 - Fuel cell system (2010-11-02),
5. 6840210 - Direct cylinder injection-type spark ignition internal combustion engine (2005-01-11),
6. 6629518 - Direct cylinder injection-type spark ignition internal combustion engine (2003-10-07),
7. 6615794 - Direct cylinder injection-type spark ignition internal combustion engine (2003-09-09),
8. 6478007 - In-cylinder-injection internal combustion engine and method of controlling in-cylinder-injection internal combustion engine (2002-11-12),
9. 6460509 - Direct-fuel-injection-type spark-ignition internal combustion engine (2002-10-08),
10. 6341591 - Direct fuel injection-type spark ignition internal combustion engine (2002-01-29),
11. 6336437 - Direct cylinder injection-type spark ignition internal combustion engine (2002-01-08),
12. 5562086 - Control device of a varable cylinder engine (1996-10-08),
13. 5540633 - Control device for variable displacement engine (1996-07-30),
14. 5343839 - Two-stroke engine (1994-09-06),
15. 5230312 - Two-stroke engine (1993-07-27),

Title: The Innovative Journey of Toyokazu Baika

Introduction: Toyokazu Baika, an accomplished inventor based in Susono, Japan, has made significant advancements in the field of fuel cell technology. With a remarkable portfolio of 37 patents, he embodies the spirit of innovation. His contributions to sustainable energy solutions have greatly impacted the automotive industry, particularly during his tenure at Toyota.

Latest Patents: Baika's latest innovations include two patent applications focused on enhancing fuel cell systems. The first patent describes a fuel cell system that integrates a coolant circulation path to ensure efficient cooling of the fuel cell stack. It features a compressing mechanism for cathode gas supply and an intercooler to optimize performance, particularly during low-temperature startup. The second patent outlines a fuel cell system with an adsorber placed in the air supply path to enhance air quality. This invention includes measurement and detection means to assess the density of impurities before the air enters the fuel cell, ensuring optimal operation and longevity by regulating impurities' adsorption.

Career Highlights: Throughout his career, Toyokazu Baika has worked with prestigious organizations, most notably Toyota Motor Corporation and Toyota Jidosha Kogyo Co., Ltd. His focus on fuel cell technology has positioned him as a leading figure in the industry, contributing to the broader movement towards clean energy vehicles.

Collaborations: Baika has collaborated with notable coworkers such as Norihiko Nakamura and Kingo Horii, who have also made valuable contributions to advancements in automotive technologies. Their collective expertise has fostered an environment of innovation and creativity, leading to groundbreaking developments in fuel cell applications.

Conclusion: Toyokazu Baika's dedication to innovation and sustainable energy solutions has firmly established him as a key inventor in the field of fuel cells. With numerous patents to his name and a history of collaboration with esteemed colleagues, his work continues to have a lasting influence on the automotive industry and the future of clean energy.

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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