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For the Inventor, By the Inventor

Tokyo, Japan

Toso Company, Limited

Calculating rank
USPTO Granted Patents = 10

% Expired Patents = 20.0


Forward Citations = 164

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17 inventors (with patents filed for the assignee):

goldMedal Tomonori Muto (2 out of 2 patents)

silverMedal Toshiyuki Mori (2 out of 4 patents)

bronzeMedal Tadashi Inaba (2 out of 2 patents)

4.  Masahiro Nagashima (2 out of 2 patents)

5.  Shunsuke Suzuki (1 out of 36 patents)

6.  Shin Imai (1 out of 1 patent)

7.  Kouichi Kataoka (1 out of 1 patent)

8.  Kazuya Hayashi (1 out of 2 patents)

9.  Toshimitsu Honda (1 out of 4 patents)

10.  Hiroyuki Someya (1 out of 1 patent)

11.  Yoshinobu Sakakura (1 out of 1 patent)

12.  Satoshi Numajiri (1 out of 1 patent)

13.  Nobuhiro Shiina (1 out of 1 patent)

14.  Kosuke Kawada (1 out of 1 patent)

15.  Masahito Sano (1 out of 1 patent)


10 patents:

1. 9027627 - Sunlight-shielding device (2015-05-12),
2. 8763674 - Solar radiation shielding apparatus (2014-07-01),
3. 7931066 - Roman shade (2011-04-26),
4. 7377011 - Curtain wave forming mechanism (2008-05-27),
5. 7370683 - Lifting-cord winding mechanism of solar-radiation shielding device (2008-05-13),
6. 5676882 - Fluorescent substance and manufacturing method thereof (1997-10-14),
7. 5542464 - Roller blind with screen rolled up by a spring and rolled down by hand (1996-08-06),
8. 5501262 - Cord locking assembly for use with venetian blind (1996-03-26),
9. 5123472 - Apparatus for lifting and tilting slats in a venetian blind (1992-06-23),
10. 4675939 - A curtain runner with an axially removable rod (1987-06-30),
Company Overview
Toso Company, Limited, based in Tokyo, specializes in the development and manufacturing of advanced glass products and architectural solutions. The company focuses on innovative technologies in glass processing, offering a range of products that cater to both residential and commercial markets. Toso is recognized for its commitment to quality and sustainability, leveraging cutting-edge techniques to enhance the functionality and aesthetics of glass in various applications, including construction and interior design.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

10 Patents

#1,916 in Tokyo

#4,406 in Japan

#56,119 in the World

Tokyo, JP
Tokyo, Japan

Toso Company, Limited

Forward Citations = 164

17 inventors:

goldMedal Tomonori Muto (2 out of 2 patents)

silverMedal Toshiyuki Mori (2 out of 4 patents)

bronzeMedal Tadashi Inaba (2 out of 2 patents)

4.  Masahiro Nagashima (2 out of 2 patents)

5.  Shunsuke Suzuki (1 out of 36 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toso Company, Limited. Retrieved from https://idiyas.com/company/toso-company

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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