KS

Koichi Sugawara

AC Alps Electric Co.: 1 patents #1,191 of 2,177Top 55%
Canon: 1 patents #14,899 of 19,416Top 80%
PA Panasonic: 1 patents #13,264 of 21,108Top 65%
📍 Ibaraki, JP: #2,661 of 6,779 inventorsTop 40%
Overall (All Time): #1,341,981 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12379682 Grease composition for heat fixing devices and heat fixing apparatus Munehito Kurata, Hisashi Nakahara, Hirohiko Aiba, Daisuke Sato, Hideo Nanataki +4 more 2025-08-05
7914065 Opening and closing device 2011-03-29
4473775 Cathode-ray tube device Kakuichiro Hosokoshi, Shigeya Ashizaki, Masao Natsuhara 1984-09-25