KY

Katsuhiko Yamada

KT Kabushiki Kaisha Toshiba: 25 patents #1,086 of 21,451Top 6%
TC Toshiba Materials Co.: 25 patents #6 of 197Top 4%
Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
SO Sony: 11 patents #4,043 of 25,231Top 20%
Canon: 10 patents #6,241 of 19,416Top 35%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
SE Sega Enterprises: 2 patents #136 of 515Top 30%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
OC Oci Company: 2 patents #13 of 112Top 15%
MC Mitsubishi Yuka Fine Chemicals Co.: 1 patents #16 of 39Top 45%
DC Dainichiseika Color & Chemicals Mfg. Co.: 1 patents #184 of 376Top 50%
DP Daio Paper: 1 patents #126 of 258Top 50%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #21,962 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 76–81 of 81 patents

Patent #TitleCo-InventorsDate
4769170 Washing solution for printing ink Hiroyuki Omori, Teruhiko Ishii 1988-09-06
4745488 Image reader Noriyuki Kaifu, Shinichi Seito, Hiromi Kodama 1988-05-17
4604137 Method and apparatus for controlled melt refining 1986-08-05
4601794 Method and apparatus for continuous electroplating of alloys Tetsuaki Tsuda, Kazuo Asano, Atsuyoshi Shibuya, Minoru Nishihara, Kenichi Yanagi +2 more 1986-07-22
4526627 Method and apparatus for direct heat treatment of medium- to high-carbon steel rods Hitoshi Iwata, Yoshihiro Hashimoto 1985-07-02
4192229 Fixing apparatus Haruo Tsunoi, Teruo Morikawa, Kenji Ohkawara, Atsushi Kubota 1980-03-11