TH

Tadashi Hamada

PA Panasonic: 9 patents #2,933 of 21,108Top 15%
DC Daido Steel Co.: 1 patents #95 of 272Top 35%
OP Osaka Prefecture: 1 patents #15 of 59Top 30%
Overall (All Time): #522,880 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7124511 Razor blade Shinji Fujimoto, Shigetoshi Sakon, Takashi Kozai 2006-10-24
6951056 Electric razor inner blade unit Hiroyuki Kameoka, Masaaki Satou, Shunsuke Komori, Toshio Ikuta 2005-10-04
6637113 Blade of electric shaver, method for shaving by using the same, and electric shaver having the same Toshio Ikuta, Shigetoshi Sakon, Masakatsu Araki 2003-10-28
6194088 Stainless steel coated with intermetallic compound and process for producing the same Hiroaki Yoshida, Hiroshi Yamada, Fumio Iwane, Junji Imai, Shinji Fujimoto +2 more 2001-02-27
5981089 Ferrous alloy with Fe-Al diffusion layer and method of making the same Junji Imai, Shuji Yamada, Hiroshi Yamada, Fumio Iwane 1999-11-09
5857260 Cutter combination for an electric shaver Shuji Yamada, Shigetoshi Sakon, Shinji Fujimoto 1999-01-12
5226984 Process of preparing Fe-Cr-Ni-Al ferritic alloys Shuji Yamada, Eiji Tsuji, Tomoyuki Mizukoshi 1993-07-13
5156805 Process of preparing a ferritic alloy with a wear-resistive alumina scale Junji Imai, Shuji Yamada, Hajime Kojima, Masao Tanahashi 1992-10-20
5089223 Fe-Cr-Ni-Al ferritic alloys Shuji Yamada, Eiji Tsuji, Tomoyuki Mizukoshi 1992-02-18
4668585 Fe-Cr-Al type implant alloy composite for medical treatment Eiji Tsuji, Hirobumi Okabe, Hideo Ike, Fumihiro Uratani, Takashi Ota +3 more 1987-05-26