SH

Shigemi Hagiwara

OC Oki Electric Industry Co.: 3 patents #700 of 2,807Top 25%
Ricoh Company: 3 patents #4,826 of 9,818Top 50%
📍 Hadano, JP: #190 of 1,025 inventorsTop 20%
Overall (All Time): #845,703 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9743470 Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp Hisashi Tomiyama, Masaharu Urano, Kazuaki Iseda 2017-08-22
9357599 Lighting control circuit, illuminating lamp using the lighting control circuit, and lighting device using the illuminating lamp Hisashi Tomiyama, Masaharu Urano, Kazuaki Iseda 2016-05-31
9271350 Lighting control circuit, lamp, and lighting control method using the lighting control circuit Masaharu Urano, Hidefumi Nakashima 2016-02-23
5412490 Printer provided with an image reading unit Tetsuji Kojima, Hiromi Miyashita, Naoki Sunaga 1995-05-02
4417803 Pressure fixing device Masato Kobayashi, Yasushi Hoshino, Kazuyoshi Tateishi, Minoru Isobe, Hiroshi Konishi +1 more 1983-11-29
4342520 Inkribbon feed mechanism Minoru Isobe, Makoto Shimizu 1982-08-03