HM

Hirofumi Matsumura

Pioneer: 5 patents #362 of 1,730Top 25%
📍 Kawagoe, JP: #349 of 1,278 inventorsTop 30%
Overall (All Time): #944,232 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11661015 Holding mechanism and holding device Takashi Watabe, Hironori Shigeta 2023-05-30
11299105 Holding device Takashi Watabe, Hironori Shigeta 2022-04-12
11097665 Holding mechanism and holding device Takashi Watabe, Hironori Shigeta 2021-08-24
6987641 Protection of electronic apparatus against erroneous operations by stopping power supply Hirokazu Arai 2006-01-17
6977795 Protection of electronic apparatus against static electricity by grounding 2005-12-20