HF

Hirofumi Fujioka

SO Sony: 20 patents #2,042 of 25,231Top 9%
Mitsubishi Electric: 15 patents #1,633 of 25,717Top 7%
EM Elpida Memory: 1 patents #419 of 692Top 65%
📍 Ebeye: #58 of 4,528 inventorsTop 2%
Overall (All Time): #93,817 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 26–36 of 36 patents

Patent #TitleCo-InventorsDate
6700073 Semiconductor device Seiki Hiramatsu, Satoshi Yanaura, Masuo Koga 2004-03-02
6342547 Epoxy resin composition for SF6 gas insulating device and SF6 gas insulating device Kenji Mimura, Hiromi Ito, Hiroyuki Nishimura, Kazuharu Kato, Yukio Ozaki +1 more 2002-01-29
6215185 Power semiconductor module Takumi Kikuchi, Toshiyuki Kikunaga, Hirotaka Muto, Shinichi Kinouchi, Osamu Usui +1 more 2001-04-10
5984647 Process for producing a hermetic electric compressor Fumiyuki Miyamoto, Yoshinori Shirafuji, Shinobu Ogasawara, Yasushi Akahori, Hitoshi Tokuyama +1 more 1999-11-16
5939472 Epoxy resin composition for molding having improved mechanical properties and crack resistance Hiromi Ito, Takumi Kikuchi, Hirozoh Kanegae, Yoshifumi Itabashi, Fumio Nogami 1999-08-17
5880179 Molded products for high voltage apparatus comprising brominated epoxy resins Hiromi Ito, Takumi Kikuchi, Hirozoh Kanegae, Yoshifumi Itabashi, Fumio Nogami 1999-03-09
5723813 Insulating spacer with shield electrodes having a graded resistance Hiromi Ito, Kenji Mimura, Etsuro Tomonaga, Hiroshi Aoki, Hiroyuki Hama 1998-03-03
5426016 Method of forming and removing resist pattern Yasuhiro Yoshida, Hiroyuki Nakajima, Hitoshi Nagata, Shinji Kishimura 1995-06-20
5252433 Method of forming and removing resist pattern Yasuhiro Yoshida, Hiroyuki Nakajima, Hitoshi Nagata, Shinji Kishimura 1993-10-12
5236984 Cold-curable silicone resin composition Shigeyuki Yamamoto, Hiroshi Adachi, Hirozon Kanegae 1993-08-17
4690957 Ultra-violet ray curing type resin composition Masami Inoue 1987-09-01