RK

Ryo Kikuchi

NT NTT: 32 patents #45 of 4,871Top 1%
OK Otsuka Kagaku Kabushiki Kaisya: 8 patents #9 of 183Top 5%
Casio Computer Co.: 3 patents #744 of 1,970Top 40%
IL Isuzu Motors Limited: 2 patents #255 of 908Top 30%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
AL Alliedsignal: 1 patents #1,187 of 2,631Top 50%
KS Kobe Steel: 1 patents #78 of 306Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
KA Kansei: 1 patents #40 of 117Top 35%
NC Nippon Thompson Co.: 1 patents #103 of 178Top 60%
SM Smc: 1 patents #485 of 737Top 70%
Overall (All Time): #51,329 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #TitleCo-InventorsDate
4958018 Method for production of 3-exomethylenecepham derivatives Sigeru Torii, Hideo Tanaka, Masatoshi Taniguchi, Michio Sasaoka, Norio Saito +3 more 1990-09-18