SK

Shigeru Kawakami

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
📍 Katsushika, JP: #21 of 86 inventorsTop 25%
Overall (All Time): #869,879 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7497192 Variable valve system with control shaft actuating mechanism Yoshihiko Yamada, Mikihiro Kajiura 2009-03-03
7383800 Assembly for actuating apparatus Takashi Ono 2008-06-10
5772975 Carbon black Nobutake Mise, Yutaka Fukuyama, Mamoru Nakayama 1998-06-30
5543859 Horizontal contour emphasizing signal processor Minoru Miyata 1996-08-06
5510855 Satellite television broadcasting receiver including improved clamping circuit Noriaki Omoto, Toshihiro Shogaki 1996-04-23
4302955 Bicycle lock 1981-12-01