IO

Isaac Ohsawa

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
📍 Kashiwa, JP: #256 of 653 inventorsTop 40%
Overall (All Time): #1,566,657 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7829848 Gas monitoring apparatus Yasuaki Takada, Masao Suga, Hisashi Nagano, Izumi Waki, Hidehiro Okada +4 more 2010-11-09
7663098 Gas monitoring apparatus and gas monitoring method Yasuo Seto, Hiroshi Sekiguchi, Hisashi Maruko, Yasuaki Takada, Akihiko Okumura +3 more 2010-02-16
7449685 Gas monitoring apparatus Yasuaki Takada, Masao Suga, Hisashi Nagano, Izumi Waki, Hidehiro Okada +4 more 2008-11-11