IH

Ichiro Hashimoto

HI Hitachi: 6 patents #6,582 of 28,497Top 25%
SA Showa Aluminum: 4 patents #38 of 253Top 20%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
NC Nippondenso Co.: 1 patents #1,765 of 3,479Top 55%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
HP HP: 1 patents #3,612 of 7,018Top 55%
Overall (All Time): #259,449 of 4,157,543Top 7%
18
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7420758 Head system, recording and reproduction system, and magnetic recording method Yasutoshi Inoue, Hiroaki Hida, Toshiaki Wakita, Tetsuro Makise 2008-09-02
7225144 Server device and recording medium for same Koji Nozawa, Yasuko Yamauchi 2007-05-29
7206996 Portal site providing system Yoshitaka Hayashi, Yukihiro Matsubara, Kazuko Hayashi, Yasuko Yamauchi, Tetsunari Kawaguchi +2 more 2007-04-17
6771471 Rotary head drum apparatus and magnetic recording and playback apparatus Motoyoshi Fujimori, Akira Itou, Hiroyuki Kaneko 2004-08-03
6751057 Magnetic recording/reproducing apparatus and rotary head drum device Motoyoshi Fujimori, Akira Itou 2004-06-15
6515833 Rotating drum assembly and magnetic recording/reproducing apparatus having a tape-contact piece Toshio Shirai, Tadashi Ozue, Yoshiteru Kamatani 2003-02-04
5574322 Motor, a printer having such a motor and a disk drive system having such a motor Katsutoshi Nii, Takeshi Nakajima, Satosi Uno, Sueo Akashi 1996-11-12
5541462 Rotary body bearing apparatus, motor and polygon mirror motor Katsutoshi Nii, Takeshi Nakajima, Sueo Akashi 1996-07-30
5469008 Motor with a bearing lubricated by magnetic fluid Takeshi Nakajima, Tomoyuki Saitou, Fusanori Ohira, Sueo Akashi, Nobukatu Sone +1 more 1995-11-21
5391851 Multi-point welding method and catalyst support produced thereby Kiyotaka MATSUO, Masao Yokoi, Yasuyuki Kawabe, Keiji Ito 1995-02-21
5239218 Step motor and method for recording position signal of motor rotor Giichi Ishida 1993-08-24
5069095 Pipe centering apparatus Noboru Ohneda, Shunta Ushioda, Haruo Arima, Denziro Kaneko, Kazuo Sugiyama +3 more 1991-12-03
5069055 Automatic plug-inserting apparatus in a pipe-drawing equipment Noboru Ohneda, Shunta Ushioda, Haruo Arima, Denziro Kaneko, Kazuo Sugiyama +3 more 1991-12-03
5060500 Apparatus for automatically forming a pointed end of raw pipe to be drawn Noboru Ohneda, Shunta Ushioda, Haruo Arima, Denziro Kaneko, Kazuo Sugiyama +3 more 1991-10-29
5033344 Pipe cutting apparatus Noboru Ohneda, Shunta Ushioda, Haruo Arima, Denziro Kaneko, Kazuo Sugiyama +3 more 1991-07-23
4998034 Low speed high torque motor with production method Giichi Ishida, Koujirou Yamashita 1991-03-05
4890024 Low-speed high-torque motor Kosho Ishizaki, Hiroshi Hayashida, Kunio Miyashita 1989-12-26
4707129 Three dimensional position measurement system using an interferometer Katsushige Nakamura 1987-11-17