Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
YA

Yoshiaki Abe — 38 Patents

Hitachi: 7 patents #5,859 of 28,497Top 25%
KCKao Soap Co.: 7 patents #11 of 203Top 6%
MCMurata Manufacturing Co.: 6 patents #1,272 of 5,295Top 25%
DCDiesel Kiki Co.: 5 patents #50 of 366Top 15%
FIFujifilm Business Innovation: 2 patents #2,833 of 5,238Top 55%
AUAudio-Technica: 2 patents #83 of 180Top 50%
KAKao: 2 patents #1,388 of 3,221Top 45%
Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
GCGlobalwafers Japan Co.: 1 patents #21 of 44Top 50%
PKPentel Kabushiki Kaisha: 1 patents #76 of 170Top 45%
TLTeijin Chemicals Limited: 1 patents #80 of 196Top 45%
ACAlps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Overall (All Time): #86,842 of 4,157,543Top 3%
38 Patents All Time

Issued Patents All Time

Showing 26–38 of 38 patents

Patent #TitleCo-InventorsDate
4516543 Circuit for controlling glow plug energization Yutaka Nishimura, Hitoshi Sugimoto 1985-05-14
4493824 Hair rinse composition 1985-01-15
4486406 Hair rinse composition Hiroshi Watanabe 1984-12-04
4460566 Hair rinse composition Rikio Tsushima 1984-07-17
4458639 Circuit for controlling glow plug energization Hitoshi Sugimoto 1984-07-10
4432697 Rotor of axial-flow machine Haruo Miura 1984-02-21
4423032 Hair treatments Rikio Tsushima 1983-12-27
4391237 Apparatus for use in starting a diesel engine Yutaka Kubota, Hitoshi Sugimoto 1983-07-05
4359643 Auxiliary apparatus for starting a diesel engine Yoshiharu Tada 1982-11-16
4309447 Skin-protecting cosmetic composition Hisao Tsutsumi, Shigeo Inoue, Atsuo Ishida 1982-01-05
4297340 Cosmetic composition for skin and hair treatment Shigeo Inoue, Atsuo Ishida 1981-10-27
4283619 Glow plug temperature control apparatus 1981-08-11
4258678 Control apparatus for glow plugs provided for a diesel engine 1981-03-31