SK

Shigeru Koizumi

Canon: 4 patents #158 of 2,200Top 8%
HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #3,411 of 185,788Top 2%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 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
5680449 Communication apparatus for automatic dialing from a separate terminal Hisao Terajima, Teruyuki Nishii 1997-10-21
5650859 Image communication with flexible limit on number of times redialing is performed 1997-07-22
5649006 Communication apparatus having function of generating calling signal 1997-07-15
5592532 Wireless telephone system with message storage for plural telephones 1997-01-07