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USPTO Patent Rankings Data through Dec 31, 2025
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Masamitsu Naito — 5 Patents

TATaisei: 2 patents #25 of 224Top 15%
NCNippon Seiko Co.: 1 patents #121 of 315Top 40%
TKTaisei Kensetsu Kabushiki Kaisha: 1 patents #1 of 13Top 8%
Tokyo, JP: #26,440 of 90,295 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Masamitsu Naito has been granted 5 US patents while listed as an inventor at Taisei. The first was granted in 1985 and the most recent in October 2025. Masamitsu Naito ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Masamitsu Naito in Tokyo, JP.

Patents per Year

Patents granted per year, 1985 to 1990Bar chart with a peak of 2 patents in 1990.peak 21985: 1 patents19851988: 1 patents19881990: 2 patents1990

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12441118 Liquid container and recording device Satoshi Nakata, Masanari TANAKA, Kazuro Yamada, Masahito TATSUMI 2025-10-14
4948967 Method for detecting a position receiving a light beam Michio Matsumoto 1990-08-14
4926042 Method of and device for detecting light receiving position utilizing optical fibers Kenji Wada 1990-05-15
4729654 Laser interferometer Tomohiko Akuta 1988-03-08
4558543 Moving apparatus for a pneumatically supported membrane structure Hiroshi Kitamura, Kaoru Nishikawa 1985-12-17

Frequent Collaborators

Kaoru Nishikawa1 shared
Michio Matsumoto1 shared
Kenji Wada1 shared
Satoshi Nakata1 shared
Kazuro Yamada1 shared
Hiroshi Kitamura1 shared

Nearby-Ranked Inventors

Joseph L. Mann5
Terry Richard Linn5
Ikuo DEGUCHI5
Swapnil Kumar5
Zachary W. Gyugyi5
Xiaoxue CHEN5
Mohankumar Krishnan VALIYAMBATH5
Baoquan Tan5
Jack Long5