HK

Hiroaki Kawamura

TO Toyota: 8 patents #3,629 of 26,838Top 15%
TC Toyo Kohan Co.: 7 patents #33 of 295Top 15%
Nissan Motor Co.: 7 patents #1,071 of 8,689Top 15%
TI Toray Industries: 6 patents #426 of 3,690Top 15%
UL Ulvac: 2 patents #199 of 680Top 30%
SE Sega Enterprises: 1 patents #101 of 368Top 30%
JI Japan Atomic Energy Research Institute: 1 patents #188 of 609Top 35%
NK Nihon Sinku Gijutsu Kabusiki: 1 patents #13 of 21Top 65%
DE Denso: 1 patents #6,940 of 11,792Top 60%
Overall (All Time): #105,026 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 26–33 of 33 patents

Patent #TitleCo-InventorsDate
6815862 Multilayer brush Kyoji Inukai, Youichi Murakami, Yasuyuki Wakahara, Masami Niimi, Teruo Kobayashi +1 more 2004-11-09
6632559 Safety device for sealed battery and sealed battery using it Hiroaki Okamoto, Kinji Saijyo 2003-10-14
6531242 Enclosed cell and sealer Yoshiyuki Sugimoto, Kinji Saijo, Hiroaki Okamoto, Yoshihiko Isobe 2003-03-11
5298149 Method for making a tin-plated steel sheet with a chromium bilayer and a copolyester resin laminate Masatoki Ishida, Atsuo Tanaka, Terunori Fujimoto, Tsuneo Inui, Yoshikazu Kondo 1994-03-29
5213903 Tin-plated steel sheet with a chromium bilayer and a copolyester resin laminate and method Masatoki Ishida, Atsuo Tanaka, Terunori Fujimoto, Tsuneo Inui, Yoshikazu Kondo 1993-05-25
4844323 Method for joining ceramics Hitoshi Kondo, Konosuke Inagawa, Tetsuya Abe, Yoshio Murakami 1989-07-04
4816348 Surface treated steel sheet for welded can material Masanobu Matsubara, Osamu Yoshioka, Tsuneo Inui 1989-03-28
4508601 Process for producing a thin tin and zinc plated steel sheet Tadashi Nemoto, Ryoichi Fukumoto, Yoshikazu Kondo, Tsuneo Inui 1985-04-02