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For the Inventor, By the Inventor

Sendai, Japan

Tsuyoshi Masumoto


USPTO Granted Patents = 8


Forward Citations = 123

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15 inventors (with patents filed for the assignee):

goldMedal Tsuyoshi Masumoto (6 out of 41 patents)

silverMedal Akihisa Inoue (5 out of 64 patents)

bronzeMedal Toshisuke Shibata (2 out of 10 patents)

4.  Hiroyuki Tomioka (2 out of 6 patents)

5.  Akihisa Inoue (2 out of 30 patents)

6.  Tsuyoshi Masumoto (2 out of 49 patents)

7.  Yoshitaka Nagai (1 out of 2 patents)

8.  Akihiro Uoya (1 out of 1 patent)

9.  Katsumasa Odera (1 out of 9 patents)

10.  Kunio Matsuzaki (1 out of 2 patents)

11.  Michiaki Hagiwara (1 out of 13 patents)

12.  Takashi Sakuma (1 out of 3 patents)

13.  Keiji Moroishi (1 out of 8 patents)

14.  Kiyomi Yasuhara (1 out of 2 patents)

15.  Akihisa Inoue (1 out of 69 patents)


8 patents:

1. 6162130 - Golf club head (2000-12-19),
2. 5340416 - High-strength magnesium-based alloy (1994-08-23),
3. 5221376 - High strength magnesium-based alloys (1993-06-22),
4. 5100869 - Process for producing metal oxide-type superconductive material (1992-03-31),
5. 4950452 - High strength, heat resistant aluminum-based alloys (1990-08-21),
6. 4655857 - Ni-Cr type alloy material (1987-04-07),
7. 4527614 - Amorphous Co-based metal filaments and process for production of the same (1985-07-09),
8. 4415529 - Mn-Based alloy of nonequilibrium austenite phase (1983-11-15),
Company Overview
Tsuyoshi Masumoto is a renowned architect and designer known for creating innovative and sustainable designs that blend modern aesthetics with traditional Japanese influences. With a focus on harmonizing nature with architecture, Masumoto's work has gained international acclaim for its unique and thoughtful approach to design.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

8 Patents

#13 in Sendai

#5,045 in Japan

Sendai, JP
Sendai, Japan

Tsuyoshi Masumoto

Forward Citations = 123

15 inventors:

goldMedal Tsuyoshi Masumoto (6 out of 41 patents)

silverMedal Akihisa Inoue (5 out of 64 patents)

bronzeMedal Toshisuke Shibata (2 out of 10 patents)

4.  Hiroyuki Tomioka (2 out of 6 patents)

5.  Akihisa Inoue (2 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tsuyoshi Masumoto. Retrieved from https://idiyas.com/company/tsuyoshi-masumoto

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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