TU

Toshiyuki Utsuki

HI Hitachi: 30 patents #925 of 28,497Top 4%
HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
Overall (All Time): #113,804 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
D349464 Ultrasonic flaw detector system Hiroaki Nakashima, Toshihiko Wada, Yukio Arima, Tohru Miyata 1994-08-09
D335285 Magnetic disc storage unit for electronic computer Syoji Umemoto, Tatsuo Murai, Naoyuki Fukada, Takeo Hayakawa, Kazuo Nakagoshi 1993-05-04
D310524 Telephone station set Nobuo Fukuda, Yoshihiro Kwakatsu, Yasunari Iehara 1990-09-11
D307470 Electric fan Shuichi Kouno, Kenichi Watanabe 1990-04-24
D291352 Electric fan Shuichi Kouno, Hideki Sakae, Kenichi Watanabe 1987-08-11
D290997 Electric fan Shuichi Kouno, Kazunori Yanagisawa, Yasuo Tsumurai 1987-07-21
D290872 Electric fan Shuichi Kouno, Hideki Sakae, Kenichi Watanabe 1987-07-14