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For the Inventor, By the Inventor

Yokohama, Japan

Tutomu Nishizawa

This inventor holds 5 USPTO granted patents. Top assignees: Mitsui Toatsu Chemicals, Incorporated, Yamamoto Chemicals, Inc.. Active years: 1979-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tutomu Nishizawa. Retrieved from https://idiyas.com/inventor/tutomu-nishizawa

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 4

Forward Citations = 50(Granted Patents)


Location History:

  • Kamakura, JP (1979)
  • Yokohama, JP (1992 - 1995)

Company Filing History:

goldMedal5 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents
silverMedal4 out of 73 
 
Yamamoto Chemicals, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1979-1995

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5 patents (USPTO):Explore Patents
1. 5409634 - Near infrared absorbers and display/recording materials using the same (1995-04-25),
2. 5296162 - Near infrared absorbers and display/recording materials using the same (1994-03-22),
3. 5270463 - Halogenated alkoxyphthalocyanines (1993-12-14),
4. 5124067 - Near infrared absorbers and display/recording materials using the same (1992-06-23),
5. 4157333 - Process for preparing piperonal (1979-06-05),

Title: The Legacy of Inventor Tutomu Nishizawa

Introduction: Tutomu Nishizawa, a pioneering inventor hailing from Yokohama, Japan, has made significant contributions to the world of technology and innovation.

Latest Patents: Nishizawa's latest patents focus on advancements in semiconductor technology, particularly in the field of integrated circuits and microelectronics.

Career Highlights: Throughout his illustrious career, Nishizawa has been instrumental in developing cutting-edge technologies that have revolutionized the electronics industry. His innovative solutions have paved the way for faster, more efficient electronic devices.

Collaborations: Nishizawa has collaborated with leading tech companies and research institutions to further his research and bring his inventions to life. His collaborative efforts have resulted in groundbreaking developments in the field of semiconductor technology.

Conclusion: Tutomu Nishizawa's dedication to innovation and his relentless pursuit of technological advancement have solidified his legacy as a trailblazing inventor in the world of electronics.

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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