HY

Hideo Yokoyama

TO Toshiba: 3 patents #380 of 2,688Top 15%
TS Takai Rika Denki Seisakusho: 1 patents #34 of 190Top 20%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
Overall (All Time): #1,064,553 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4664333 Webbing for seatbelt system Yasuo Inada, Koki Sato, Takazo Fujii, Shoichi TAKAHASHI, Kiyoshi Mizutani +2 more 1987-05-12
4519558 Tape player Seiji Tomita, Shigeo Yamada 1985-05-28
4492995 Tape cassette loading and ejection device Seiji Tomita 1985-01-08
4408561 Dual-purpose plant for producing cold rolled steel sheet and hot-dip galvanized steel sheet Ichiro Shimbashi, Koichi Sakurai, Munetsugu Matsuo 1983-10-11
4360174 Cassette tape recorder Seiji Tomita 1982-11-23