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

Takayasu Kobayashi — 4 Patents

Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Kubota: 1 patents #1,212 of 2,059Top 60%
SCSumitomo Bakelite Co.: 1 patents #403 of 790Top 55%
Itami, JP: #609 of 1,436 inventorsTop 45%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Takayasu Kobayashi has been granted 4 US patents while listed as an inventor at Fujitsu Limited. The first was granted in 1993 and the most recent in December 2025. Takayasu Kobayashi ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Takayasu Kobayashi in Itami, JP.

Patents per Year

Patents granted per year, 1993 to 2012Bar chart with a peak of 1 patents in 1993.peak 11993: 1 patents19931994: 1 patents19942012: 1 patents2012

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12498368 Photoresponsive liposome, complex, measurement system, and measurement method Akira NUKAZUKA, Hitoshi Kuno, Tsutomu Hamada, Katsunori KOUDA 2025-12-16
8172714 Speed changing transmission apparatus Shoso Ishimori, Yoshiyuki Katayama, Yoshihiro Ueda, Shinichi Morita, Shinichi Kawabata +3 more 2012-05-08 $773,000
5337352 Private branch exchange system having an automatic optimal route selecting mechanism Tsutomu Shimasue 1994-08-09
5225487 Vinyl chloride resin composition Keisuke Yagi 1993-07-06