HY

Hisao Yamagata

CC Citizen Watch Co.: 4 patents #269 of 1,225Top 25%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HS Hitachi Tohbu Semiconductor: 1 patents #126 of 223Top 60%
KC Kokusai Denshin Denwa Co.: 1 patents #219 of 382Top 60%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
Overall (All Time): #749,862 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7704790 Method of manufacturing a carrier member for electronic components Yuichi Morinaga, Toru Makanae 2010-04-27
6787374 Semiconductor device manufacturing method and semiconductor device sorting system to be used with the same Katsumi Oya 2004-09-07
5305503 Buckle for watch bands 1994-04-26
5182748 Protocol conversion system Shigekazu Sakata, Yasuo Ito, Kunio Ochiai 1993-01-26
4397568 Timepiece push-button structure Masahiko Waki, Toshio Murata, Fumio Takeuchi, Masataka Matsumoto 1983-08-09
4268913 Electronic calculator watch Tadahiko Nakagiri, Kunihiro Daigo, Toshiaki Oguchi, Minoru Natori, Toshikazu Hatuse +6 more 1981-05-19
4234948 Watchglass fixing structure Yasuo Maekawa, Tsunetoshi Sekiguchi, Masahiko Waki, Hiroshi Koide, Kisuke Watanabe +1 more 1980-11-18