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For the Inventor, By the Inventor

Tokyo, Japan

Minoru Takamizawa

This inventor holds 79 USPTO granted patents, primarily in Organic Silazane Polymers (CPC class 528 ). Top assignees: Shin-Etsu Chemical Co., Ltd., Dai Nippon Printing Co., Ltd., Sony Corporation. Active years: 1977-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Minoru Takamizawa. Retrieved from https://idiyas.com/inventor/minoru-takamizawa

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

Calculating rank
USPTO Granted Patents = 79

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 16

Forward Citations = 929(Granted Patents)

Forward Citations (Not Self Cited) = 901(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Annaka, JA (1977 - 1978)
  • Annaka, JP (1978 - 1984)
  • Gunma, JP (1984)
  • Minoru Takamizawa, JP (1988)
  • Moogata, JP (1990)
  • Niigata, JP (1985 - 1991)
  • Joetsu, JP (1987 - 1991)
  • Kubikimura, JP (1990 - 1992)
  • Tokyo, JP (1983 - 1993)
  • Kawasaki, JP (1996)
  • Kanagawa-ken, JP (1998)
  • Setagaya-ku, JP (1997 - 2003)

Company Filing History:

goldMedal72 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
silverMedal8 out of 3,208 
 
Dai Nippon Printing Co., Ltd.
 patents
bronzeMedal7 out of 58,148 
 
Sony Corporation
 patents
4. 2 out of 215 
 
Kirin Beer Kabushiki Kaisha
 patents
5. 1 out of 1 
 
Agehara Orimono Kogyo K.k.
 patent
6. 1 out of 5,300 
 
Nippon Telegraph and Telephone Corporation
 patents
7. 1 out of 19 
 
Research Institute for Special Inorganic Materials
 patents
8. 1 out of 3 
 
Shin-Etsu Chemical Col, Ltd.
 patents
9. 1 out of 1 
 
Shin-Etsu Chemical Industry Co., Ltd.
 patent
10. 1 out of 1 
 
Shin-Etsu Kagako Kogyo Kabushiki Kaisha
 patent
11. 1 out of 209 
 
Tomoegawa Paper Co., Inc.
 patents
12. 1 out of 68 
 
Yoshino Gypsum Co., Ltd.
 patents
13. 1 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1977-2003

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Areas of Expertise:
Positive Resist Materials
Silicon Carbide
Organic Silazane Polymers
Bisphenol Derivatives
Lithium Cell
Ceramics
Hollow Ceramic Fibers
Film Capacitor
Cycloalkyl Silane Compounds
Carbon Fibers
Photoresist Layer
Ultrafine Powder
79 patents (USPTO):Explore Patents
1. 6667415 - Tertiary butyl 4,4-bis(4′-hydroxyphenyl) pentanoate derivatives and positive resist materials containing the same (2003-12-23),
2. 6207841 - Bisphenol derivative and its manufacturing method (2001-03-27),
3. 5750637 - Process for the preparation of a polycarbodiimide solution (1998-05-12),
4. 5750636 - Process for the preparation of a high-molecular-weight polycarbodiimide (1998-05-12),
5. 5599949 - Bisphenol derivative and its manufacturing method (1997-02-04),
6. 5512417 - Positive resist composition comprising a bis (1996-04-30),
7. 5252691 - P-vinylphenoxydimethylphenylcarbyldimethylsilane homopolymer (1993-10-12),
8. 5219681 - Lithium cell (1993-06-15),
9. 5157096 - Method and apparatus for preparing organic silazane polymer and method (1992-10-20),
10. 5145813 - Process for manufacturing organic silazane polymers and ceramics (1992-09-08),
11. 5041515 - Methods for preparing polytitanocarbosilazane polymers and ceramics (1991-08-20),
12. 5011639 - Method for the preparation of a sintered body of silicon carbide (1991-04-30),
13. 5008348 - Infusibilization of organic silazane polymers (1991-04-16),
14. 4981666 - Method for the preparation of silicon carbide whiskers (1991-01-01),
15. 4957607 - Method for the preparation of a cycloalkyl silane compound (1990-09-18),

Sure, here is an article about inventor Minoru Takamizawa:

Title: Innovator Spotlight: Minoru Takamizawa

Introduction:

Minoru Takamizawa is a prolific inventor based in Tokyo, Japan, known for his remarkable contributions to the field of chemistry and materials science. With a total of 79 patents to his name, Takamizawa has established himself as a leading figure in the realm of innovative technologies.

Latest Patents:

Some of his latest patents include groundbreaking inventions such as "Tertiary butyl 4,4-bis(4’-hydroxyphenyl) pentanoate derivatives and positive resist materials containing the same," "Bisphenol derivative and its manufacturing method," and "A bisphenol derivative represented by the following formula and a manufacturing method thereof."

Career Highlights:

Throughout his career, Minoru Takamizawa has been associated with esteemed companies such as Shin-Etsu Chemical Co., Ltd. and Dai Nippon Printing Co., Ltd. His expertise and dedication have not only led to a multitude of patents but also to the development of cutting-edge technologies that have had a lasting impact on various industries.

Collaborations:

Takamizawa has collaborated with notable coworkers like Yoshio Inoue and Akira Hayashida, fostering a culture of innovation and knowledge sharing. These collaborations have further enriched his inventive endeavors, resulting in the creation of groundbreaking solutions and novel technologies.

Conclusion:

In conclusion, Minoru Takamizawa's exceptional contributions to the world of inventions and patents have solidified his position as a visionary in the field of chemistry and materials science. His relentless pursuit of innovation and collaboration with industry experts continue to inspire future generations of inventors and researchers worldwide.

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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