Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
AF

Akihiko Fujii — 13 Patents

Fujitsu Limited: 5 patents #6,029 of 24,456Top 25%
KAKao: 4 patents #816 of 3,221Top 30%
DIDaikin Industries: 1 patents #1,764 of 2,957Top 60%
OCOsaka Gas Co.: 1 patents #252 of 689Top 40%
SCSeiren Co.: 1 patents #61 of 165Top 40%
JCJapan Carlit Co.: 1 patents #28 of 63Top 45%
FUFujifilm: 1 patents #3,076 of 4,519Top 70%
Osaka, JP: #3,430 of 24,344 inventorsTop 15%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Akihiko Fujii has been granted 13 US patents while listed as an inventor at Fujitsu Limited. The first was granted in 1987 and the most recent in March 2021. Akihiko Fujii ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Akihiko Fujii in Osaka, JP.

Patents per Year

Patents granted per year, 1987 to 2021Bar chart with a peak of 2 patents in 2006.peak 21987: 1 patents19871989: 1 patents19891991: 1 patents19911999: 1 patents19992004: 1 patents20042006: 2 patents20062007: 2 patents20072012: 2 patents20122013: 1 patents20132021: 1 patents2021

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
10952960 Bone regeneration agent Noritaka Takahashi 2021-03-23
8440464 Method for evaluation or selection of adiponectin secretion regulator 2013-05-14
8182854 Coffee drink composition Yoshie Yamasaki, Hideo Oominami, Ryuji Ochiai, Yusuke Shibuya 2012-05-22
8178148 Coffee drink composition Atsushi Suzuki, Hideo Oominami, Ryuji Ochiai, Yusuke Shibuya 2012-05-15
7216826 Magnetic tape cartridge Kiichiro Kitagawa, Seiji Tsuyuki, Seiji Oodate 2007-05-15 $70,000
7188797 Magnetic tape cartridge Seiji Tsuyuki 2007-03-13 $46,000
7000861 Magnetic tape cartridge Seiji Tsuyuki 2006-02-21 $23,000
6994286 Magnetic tape cartridge Seiji Tsuyuki 2006-02-07 $14,000
6795391 Recording medium cartridge Kiyoo Morita 2004-09-21 $12,000
5971311 Photo film cassette, and method of attaching light-trapping fabric to Masazumj Tomoda 1999-10-26 $55,000
4989444 Industrial robot for pressing system, pressing system, and method for bending plate material Manabu Murakami, Masanori Yamashita, Tadafumi Mikoshi 1991-02-05
4829028 Process for producing an alumina-zirconia composite sintered material Ichiro Seki, Morinosuke Kano, Akihiro Kano, Isao Isa 1989-05-09
4689552 Method and device for detecting insulation damage to a buried object Masahiro Tsuka 1987-08-25