YT

Yoshifumi Tachi

OC Otsuka Chemical Co.: 3 patents #57 of 269Top 25%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
📍 Tokushima, JP: #433 of 1,059 inventorsTop 45%
Overall (All Time): #1,585,889 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7179844 Dielectric resin foam and lens for radio waves using the same Minoru Aki, Hiroyuki Monde, Akira Tabuchi, Syougo Kawakami, Masatoshi Kuroda +2 more 2007-02-20
6399201 Blowing agent powder and process for producing the same Tsukasa Maekawa, Toshinori Takao, Sadafumi Shono, Chiaki Yasumaru, Shigeru Sumitomo +1 more 2002-06-04
6355698 Substantially anhydrous foaming agent and process for producing the same Tsukasa Maekawa, Nobuyuki Ueda, Sadafumi Shono, Shigeru Sumitomo 2002-03-12