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For the Inventor, By the Inventor

Osaka, Japan

Sakata Shokai Ltd.


USPTO Granted Patents = 12

Forward Citations = 195

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32 inventors (with patents filed for the assignee):

goldMedal Kazuo Sakiyama (2 out of 9 patents)

silverMedal Michiyuki Yoshida (2 out of 2 patents)

bronzeMedal Masahiro Sugiura (2 out of 2 patents)

4.  Takashi Ito (1 out of 22 patents)

5.  Hiroshi Higuchi (1 out of 12 patents)

6.  Naohiko Mushiake (1 out of 4 patents)

7.  Tsutomu Hayashi (1 out of 55 patents)

8.  Kozo Miyamoto (1 out of 1 patent)

9.  Kunitaka Fujiwara (1 out of 1 patent)

10.  Shigeru Hasegawa (1 out of 1 patent)

11.  Katsuyoshi Takai (1 out of 1 patent)

12.  Hiroharu Yamazaki (1 out of 1 patent)

13.  Sueo Kikkawa (1 out of 1 patent)

14.  Eizo Suyama (1 out of 1 patent)

15.  Hirosi Kato (1 out of 1 patent)


12 patents:

1. 4809609 - Method of directly mounting a printing plate on plate cylinder and the (1989-03-07),
2. 4808443 - Aqueous overcoating composition and use of the same in printing method (1989-02-28),
3. 4769717 - Apparatus for producing images (1988-09-06),
4. 4707930 - Apparatus for mounting a relief plate for letterpress printing (1987-11-24),
5. 4675161 - Indicator for detection of thermal history (1987-06-23),
6. 4623008 - Automatic dispensing system (1986-11-18),
7. 4474473 - Method and equipment for manufacturing pigment dispersion (1984-10-02),
8. 4409077 - Ultraviolet radiation curable coating composition (1983-10-11),
9. 4357164 - Ink composition for waterless lithography and methods of printing (1982-11-02),
10. 4221686 - Ultraviolet radiation curable printing ink (1980-09-09),
11. 4015937 - Process for detecting the completion of the sterilizing treatment using (1977-04-05),
12. 4014031 - Electrophotographic typesetting method and apparatus therefor (1977-03-22),
Company Overview
Sakata Shokai Ltd., based in Osaka, Japan, specializes in the development and manufacturing of advanced materials and components for various industries. The company focuses on innovative solutions in sectors such as electronics, automotive, and industrial applications. With a commitment to research and development, Sakata Shokai aims to enhance product performance and sustainability through cutting-edge technology. Its strategic location in Japan positions it well within the dynamic Asian market, fostering collaboration and growth in technology-driven sectors.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

12 Patents

#425 in Osaka

#3,935 in Japan

#48,163 in the World

Osaka, JP
Osaka, Japan

Sakata Shokai Ltd.

Forward Citations = 195

32 inventors:

goldMedal Kazuo Sakiyama (2 out of 9 patents)

silverMedal Michiyuki Yoshida (2 out of 2 patents)

bronzeMedal Masahiro Sugiura (2 out of 2 patents)

4.  Takashi Ito (1 out of 22 patents)

5.  Hiroshi Higuchi (1 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sakata Shokai Ltd.. Retrieved from https://idiyas.com/company/sakata-shokai

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

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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