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For the Inventor, By the Inventor

Tokyo, Japan

Yoshino Gypsum Co., Ltd.

Calculating rank
USPTO Granted Patents = 7


Forward Citations = 0

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19 inventors (with patents filed for the assignee):

goldMedal Takuji Yamashita (3 out of 12 patents)

silverMedal Yusuke Watanabe (2 out of 37 patents)

bronzeMedal Shun Tsukamoto (2 out of 3 patents)

4.  Tomoki Furue (1 out of 9 patents)

5.  Yuichi Hirooka (1 out of 7 patents)

6.  Katsumi Niimi (1 out of 6 patents)

7.  Ushio Sudo (1 out of 9 patents)

8.  Takumi Hatanaka (1 out of 2 patents)

9.  Tomoya Hasegawa (1 out of 14 patents)

10.  Wataru Ohuchi (1 out of 6 patents)

11.  Kouji Yamakata (1 out of 4 patents)

12.  Junetsu Shimazaki (1 out of 1 patent)

13.  Yousuke Sato (1 out of 2 patents)

14.  Seiji Tanikawa (1 out of 1 patent)

15.  Kozo Akai (1 out of 1 patent)


7 patents:

1. 12723411 - Mounting method of building surface material (2026-09-01),
2. 12697639 - Glue supply apparatus for gypsum board, gypsum board manufacturing apparatus, and gypsum board manufacturing method (2026-08-04),
3. 12692698 - Wooden load-bearing wall, method of constructing wooden load-bearing wall, method of increasing co-efficient of effective wall length of wooden load-bearing wall, and gypsum-based load-bearing board (2026-07-28),
4. 12680296 - Building wall and building wall construction method (2026-07-14),
5. 12655324 - Seal member (2026-06-16),
6. 12534646 - Felt-based four-side-processing and method for producing said processing material (2026-01-27),
7. 12533828 - Smoother and gypsum board manufacturing device (2026-01-27),
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USPTO Data Jan 1 1976 - Oct 27 2026

7 Patents

#2,290 in Tokyo

#5,462 in Japan

Tokyo, JP
Tokyo, Japan

Yoshino Gypsum Co., Ltd.

Forward Citations = 0

19 inventors:

goldMedal Takuji Yamashita (3 out of 12 patents)

silverMedal Yusuke Watanabe (2 out of 37 patents)

bronzeMedal Shun Tsukamoto (2 out of 3 patents)

4.  Tomoki Furue (1 out of 9 patents)

5.  Yuichi Hirooka (1 out of 7 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yoshino Gypsum Co., Ltd.. Retrieved from https://idiyas.com/company/yoshino-gypsum

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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