SS

Shigeru Sumitomo

OC Otsuka Chemical Co.: 2 patents #85 of 269Top 35%
📍 Tokushima, JP: #544 of 1,059 inventorsTop 55%
Overall (All Time): #2,211,112 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6399201 Blowing agent powder and process for producing the same Tsukasa Maekawa, Toshinori Takao, Sadafumi Shono, Chiaki Yasumaru, Nobuyuki Ueda +1 more 2002-06-04
6355698 Substantially anhydrous foaming agent and process for producing the same Tsukasa Maekawa, Nobuyuki Ueda, Sadafumi Shono, Yoshifumi Tachi 2002-03-12