Yokohama, Japan

Takashi Ishizuka

This inventor holds 2 USPTO granted patents. Top assignees: Nissan Motor Company Limited, Aichi Machine Industry Co., Ltd., Renault S.a.s. Societe Par Actions Simplifiee. Active years: 1984-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takashi Ishizuka. Retrieved from https://idiyas.com/inventor/takashi-ishizuka-uflpmxr3

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 5.0

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1984-2005

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2 patents (USPTO):Explore Patents

Title: Innovations by Takashi Ishizuka

Introduction

Takashi Ishizuka is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of internal combustion engines, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

One of his latest patents is the "Blowby gas circulating apparatus for an internal combustion engine." This apparatus is designed to circulate blowby gas to engine cylinders, featuring a cylinder head cover with a first wall that defines a first passage. The design includes a first flange that extends outwardly from the first wall, and a cylinder head with a second wall and a second flange that cooperate with the first flange to create an abutting surface. This configuration allows for the second passage to connect with the first passage, extending in the direction of the engine cylinders. The second wall also defines multiple third passages that communicate with the intake ports of each engine cylinder.

Another significant patent is the "Sustained arc ignition system for an internal combustion engine." This ignition system comprises a capacitive discharge ignition device that converts low DC voltage into a higher DC voltage for discharging spark plugs sequentially. It includes an ignition signal generating means that outputs an ignition signal based on engine rotation, along with an ignition coil means and multiple spark plugs located within the engine cylinders.

Career Highlights

Throughout his career, Takashi Ishizuka has worked with prominent companies such as Nissan Motor Company Limited and Aichi Machine Industry Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in the automotive industry.

Collaborations

Takashi has collaborated with notable coworkers, including Kyugo Hamai and Yasuhiko Nakagawa. Their teamwork has contributed to the successful development of various projects and innovations in the field.

Conclusion

Takashi Ishizuka's contributions to internal combustion engine technology through his patents demonstrate his commitment to innovation and engineering excellence. His work continues to influence the automotive industry and inspire future inventors.

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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