TT

Tamotsu Tsukaguchi

HI Hitachi: 2 patents #339 of 2,942Top 15%
Overall (1997): #22,431 of 185,788Top 15%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5689572 Method of actively controlling noise, and apparatus thereof Katsuo Ohki, Shinichi Shimode, Yukiji Iwase, Osamu Sekiguchi, Masanori Watanabe +2 more 1997-11-18
5592363 Electronic apparatus Takayuki Atarashi, Toshio Hatada, Takahiro Daikoku, Nobuo Kawasaki, Toshiki Iino +3 more 1997-01-07