HY

Hiroshi Yamazaki

SC Seikosha Co.: 2 patents #13 of 65Top 20%
CH Chisso: 1 patents #28 of 92Top 35%
IC Ikeda Bussan Co.: 1 patents #12 of 50Top 25%
OC Ohi Seisakusho Co.: 1 patents #6 of 32Top 20%
Ricoh Company: 1 patents #129 of 489Top 30%
TK Tanaka Kikinzoku Kogyo K.K.: 1 patents #3 of 11Top 30%
IR Institute Of Physical And Chemical Research: 1 patents #1 of 4Top 25%
Overall (1989): #1,135 of 140,708Top 1%
7
Patents 1989

Issued Patents 1989

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
4884051 Semiconductor diffusion type force sensing apparatus Junichi Takahashi, Daisuke Kosaka, Hirotoshi Eguchi, Shoji Matsumoto, Takashi Akahori +1 more 1989-11-28
4880264 Latch device for inclinable back rest cushion mounted in seatback Toshiyuki Hara, Yuji Tanaka, Takayuki Mouri 1989-11-14
4881096 Motor-driven shutter for camera Masuo Ogihara, Hiroyuki Ishida, Shinji Nagaoka, Youichi Seki, Shigeru Tagami +1 more 1989-11-14
4874880 Bis(di-, tri- or tetra-substituted-cyclopentadienyl)-zirconium dihalides Shinya Miya, Masato Harada, Takaya Mise 1989-10-17
4871574 Process for preparing flour from Jerusalem artichoke tubers Howard W. Modler, John D. Jones, James I. Elliot 1989-10-03
4844879 Process for preparing rhodium nitrate solution 1989-07-04
4831406 Power circuit for camera Youichi Seki, Hiroyuki Saito, Michio Taniwaki 1989-05-16