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USPTO Patent Rankings Data through Dec 31, 2025
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Takuya Kojima — 14 Patents

OKOkuma: 4 patents #42 of 233Top 20%
Nec: 2 patents #5,544 of 14,502Top 40%
SESeiko Epson: 2 patents #4,555 of 7,774Top 60%
Nintendo Co.: 1 patents #886 of 1,476Top 65%
DCDowa Electronics Materials Co.: 1 patents #148 of 241Top 65%
Brother Kogyo: 1 patents #2,155 of 2,767Top 80%
SUShinshu University: 1 patents #77 of 261Top 30%
TOToshiba: 1 patents #1,121 of 2,688Top 45%
HBHgst Netherlands, B.V.: 1 patents #510 of 972Top 55%
Saitama, JP: #1,000 of 10,685 inventorsTop 10%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Takuya Kojima has been granted 14 US patents while listed as an inventor at Okuma. The first was granted in 1987 and the most recent in September 2025. Takuya Kojima ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Takuya Kojima in Saitama, JP.

Patents per Year

Patents granted per year, 1987 to 2025Bar chart with a peak of 3 patents in 2024.peak 31987: 1 patents19872012: 2 patents20122014: 1 patents20142018: 1 patents20182020: 2 patents20202021: 1 patents20212022: 2 patents20222024: 3 patents20242025: 1 patents2025

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12427570 Silver flake powder and production method thereof, and electrically conductive paste — 2025-09-30
12076983 Printer, data transmission method, and storage medium storing computer program — 2024-09-03
11988506 Error identification method for machine tool, non-transitory computer-readable storage medium, and machine tool Tetsuya Matsushita 2024-05-21
11892820 Error compensation method for machine tool and machine tool Tetsuya Matsushita, Yasunori Kondo 2024-02-06
11338407 Error measurement method for machine tool and machine tool Tetsuya Matsushita 2022-05-24
11247305 Numerical control device and numerical control meihod for machine tool Tetsuya Matsushita 2022-02-15
11065008 Embolic coil Junichi Koyama, Makoto Natori, Yusuke Sato 2021-07-20
10822187 Roller, separation device, image reading apparatus, and recording apparatus Hidenobu MARUYAMA, Kentaro Miyazaki, Naohiro Daito, Kenta ANEGAWA 2020-11-03
10617944 Game system, storage medium having stored therein game program, information processing device, and information processing method Masato Mizuta, Ryo Kataoka, Masaru Nii 2020-04-14
10005301 Recording apparatus having a cover Tsutomu Yamamoto, Kazuya Nagaoka, Shoichi Horiuchi 2018-06-26
8647755 Perpendicular magnetic recording medium and manufacturing method thereof Tomoo Yamamoto, Joe Inagaki, Das Sarbanoo 2014-02-11
8315677 Folding mobile phone Shinya Nakamura 2012-11-20
8200297 Cellular phone Eiji Hankui, Yukio Yokoyama, Shinya Nakamura 2012-06-12
4654649 Display device Shoichi Miyashiro, Yoshimitsu Aramaki 1987-03-31

Frequent Collaborators

Tetsuya Matsushita4 shared
Shinya Nakamura2 shared
Das Sarbanoo1 shared
Joe Inagaki1 shared
Yoshimitsu Aramaki1 shared
Kazuya Nagaoka1 shared

Nearby-Ranked Inventors

Ke PAN14
Naor Radami14
Jason Harris14
Gwangjae Jeon14
Masao Zen14
Yoshihiro YAMASAKI14
Sanjay Vakil14
Samuel Bartlett14
Taketoshi Okuno14