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For the Inventor, By the Inventor

Hitachi, Japan

Hidetaka Sato

This inventor holds 12 USPTO granted patents. Top assignees: Hitachi Chemical Company, Ltd., Hitachi, Ltd.. Active years: 1980-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hidetaka Sato. Retrieved from https://idiyas.com/inventor/hidetaka-sato

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

USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 109(Granted Patents)


Location History:

  • Santa Clara, CA (US) (1992)
  • Hitachi, JP (1980 - 1998)

Company Filing History:

goldMedal12 out of 1,641 
 
Hitachi Chemical Company, Ltd.
 patents
silverMedal1 out of 42,731 
 
Hitachi, Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1980-1998

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12 patents (USPTO):Explore Patents
1. 5837804 - Polyimides and optical parts obtained by using the same (1998-11-17),
2. 5165957 - Process for producing multilayer wiring structure (1992-11-24),
3. 5164816 - Integrated circuit device produced with a resin layer produced from a (1992-11-17),
4. 5132386 - Insulating resin composition and semiconductor device using the same (1992-07-21),
5. 5087658 - Heat-resistant resin paste and integrated circuit device produced by (1992-02-11),
6. 4958001 - Dicyclohexyl-3,4,3',4'-tetracarboxylic acid or dianhydride thereof and (1990-09-18),
7. 4758476 - Polyimide precursor resin composition and semiconductor device using the (1988-07-19),
8. 4645688 - Composition for protective coating material (1987-02-24),
9. 4511705 - Composition for protective coating material (1985-04-16),
10. 4497922 - Compositions of materials for forming protective film in semiconductor (1985-02-05),
11. 4338426 - Intermediate, copolymer resin and production thereof (1982-07-06),
12. 4233413 - Resin composition with low shrinkage (1980-11-11),

Title: Hidetaka Sato: Innovator in Polyimides and Optical Parts

Introduction

Hidetaka Sato is a prominent inventor based in Hitachi, Japan. He has made significant contributions to the field of materials science, particularly in the development of polyimides and optical components. With a total of 12 patents to his name, Sato's work has had a considerable impact on various industries.

Latest Patents

Sato's latest patents focus on polyimides and optical parts derived from these materials. His innovations include polyimides that meet specific requirements for transparency, isotropy, and resistance to cracking. These polyimides are designed to facilitate the easy formation of multilayer films, ensuring excellent optical characteristics. Additionally, he has developed a process for producing multilayer wiring structures using a special poly(amic acid) ester oligomer, which results in a nearly flat surface without level differences in underlying wiring patterns.

Career Highlights

Throughout his career, Hidetaka Sato has worked with notable companies such as Hitachi Chemical Company, Ltd. and Hitachi, Ltd. His experience in these organizations has allowed him to refine his expertise in materials science and contribute to groundbreaking innovations.

Collaborations

Sato has collaborated with esteemed colleagues, including Hiroshi Suzuki and Daisuke Makino. These partnerships have further enhanced his research and development efforts in the field of polyimides and optical parts.

Conclusion

Hidetaka Sato's contributions to the field of materials science, particularly through his patents on polyimides and optical components, demonstrate his innovative spirit and dedication to advancing technology. His work continues to influence various industries and pave the way for future advancements.

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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