KY

Keiichi Yokota

TL Tokyo Electron Limited: 4 patents #1,723 of 5,567Top 35%
SC Sumikin Chemical Co.: 3 patents #3 of 30Top 10%
TL Tokyo Electron Yamanashi Limited: 2 patents #21 of 138Top 20%
AW Air Water: 1 patents #29 of 73Top 40%
📍 Kashima, JP: #11 of 143 inventorsTop 8%
Overall (All Time): #509,429 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10059654 Composition containing 3-chloro-4-methoxybenzylamine hydrochloride, and method for producing same Takashi Fujimoto, Takahiro Ide 2018-08-28
6768022 Method for producing thiosalicylic acid 2004-07-27
6054609 Method of separating isomers of nitrotoluic acid Ikuo Ito, Seiji Takeuchi 2000-04-25
5550284 Production method for alkoxynaphthalenecarboxylic acid Toshio Sato, Ikuo Ito, Kazuhiko Maeda, Takeshi Namekata, Akihiko Nemoto 1996-08-27
5416256 Process for manufacturing 5-hydroxyisophthalic acid Takeshi Namekata, Ikuo Ito, Kazuhiko Maeda, Toshio Sato 1995-05-16
5416592 Probe apparatus for measuring electrical characteristics of objects Shigeoki Mori 1995-05-16
5412329 Probe card Shinji Iino, Tamio Kubota 1995-05-02
5404111 Probe apparatus with a swinging holder for an object of examination Shigeoki Mori, Wataru Karasawa, Hitoshi Fujihara, Masaru Suzuki 1995-04-04
4966520 Method of positioning objects to be measured Ryuichi Takebuchi 1990-10-30
4943767 Automatic wafer position aligning method for wafer prober 1990-07-24