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For the Inventor, By the Inventor

Kariya, Japan

Toshiya Morikawa

This inventor holds 8 USPTO granted patents. Top assignees: Denso Corporation, Nippondenso Co., Ltd.. Active years: 1997-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiya Morikawa. Retrieved from https://idiyas.com/inventor/toshiya-morikawa

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 6

Forward Citations = 80(Granted Patents)


Company Filing History:

goldMedal7 out of 20,407 
 
Denso Corporation
 patents
silverMedal1 out of 3,252 
 
Nippondenso Co., Ltd.
 patents

Years Active: 1997-2002

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8 patents (USPTO):Explore Patents
1. 6474752 - Rotary pump and braking device using same (2002-11-05),
2. 6474751 - Hydraulic circuit having a rotary type pump and brake apparatus for a vehicle provided with the same (2002-11-05),
3. 6347843 - Pump equipment and method for assembling same (2002-02-19),
4. 6273527 - Rotary pump with better fluid sealing structure and brake apparatus having same (2001-08-14),
5. 6270169 - Rotary pump and braking device using same (2001-08-07),
6. 6238019 - Hydraulic structure of automatic brake control system (2001-05-29),
7. 6142581 - Hydraulic circuit having a rotary type pump and brake apparatus for a (2000-11-07),
8. 5632532 - Anti-skid control apparatus (1997-05-27),

Title: Toshiya Morikawa: Innovator in Hydraulic Systems

Introduction

Toshiya Morikawa is a prominent inventor based in Kariya, Japan. He has made significant contributions to the field of hydraulic systems, particularly in the automotive industry. With a total of 8 patents to his name, Morikawa's innovations have enhanced the performance and reliability of various mechanical systems.

Latest Patents

Morikawa's latest patents include a hydraulic circuit featuring a rotary type pump and a brake apparatus designed for vehicles. In his brake apparatus, the outer and inner rotors of the rotary pump are constructed from bearing steel. The inner and outer teeth portions of these rotors undergo nitriding hardening or carbo-nitriding hardening processes. This results in a nitrided layer containing 15 to 40 percent retained austenite, which significantly improves the wear resistance of the teeth faces in mesh. Another notable patent involves a rotary pump where the outer rotor and inner rotor are assembled in a casing. This design ensures that during high-pressure discharge operations, the outer rotor does not get locked between the inner rotor and the casing, thereby enhancing operational efficiency.

Career Highlights

Throughout his career, Toshiya Morikawa has worked with esteemed companies such as Denso Corporation and Nippondenso Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in hydraulic technology.

Collaborations

Morikawa has collaborated with notable colleagues, including Takahiro Yamaguchi and Takeshi Fuchida. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.

Conclusion

Toshiya Morikawa's contributions to hydraulic systems and automotive technology are noteworthy. His innovative patents and collaborations have significantly impacted the industry, showcasing his expertise and dedication to advancing engineering solutions.

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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