TT

Tetsuo Tajima

HI Hitachi: 21 patents #1,645 of 28,497Top 6%
HM Hitachi Maxell: 13 patents #49 of 1,211Top 5%
AC Asahi Glass Co.: 1 patents #1,233 of 2,251Top 55%
HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
NS Nippon Control System: 1 patents #3 of 14Top 25%
Overall (All Time): #198,573 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6766046 Plate glass shatter testing method, device, imaging method for glass testing and image signal processing method Hitoshi Saito 2004-07-20
6573025 Optical disc Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 2003-06-03
6465151 Method of manufacturing optical discs Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 2002-10-15
6191675 High voltage transformer and ignition transformer using the same Ryoichi Sudo, Kazutoshi Kobayashi, Makoto Iida 2001-02-20
6140028 Optical recording and reproduction apparatus Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 2000-10-31
5906907 Optical disc Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 1999-05-25
5766407 Optical disk producing apparatus Hiroaki Miwa, Ryoichi Sudo, Toshiaki Taii 1998-06-16
5686227 Optical reproduction apparatus Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 1997-11-11
5582677 Optical disk producing apparatus Hiroaki Miwa, Ryoichi Sudo, Toshiaki Taii 1996-12-10
5543271 Optical recording and reproduction apparatus Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 1996-08-06
5401610 Optical disc Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 1995-03-28
5254659 Insulating coating composition, solderable insulated wires, production process of the insulated wires and flyback transformers using the insulated wires Ryoichi Sudo, Makoto Kobata, Fusaji Shoji, Masayoshi Kitadani, Kouji Oikawa 1993-10-19
5244775 Method of manufacturing an optical disc Hiroaki Miwa, Ryoichi Sudo, Eiji Koyama 1993-09-14
5071236 Replica plate, process for producing the same and projection type television using the same Ryoichi Sudo, Chiyoko Iwano, Hiroaki Miwa, Hiroyuki Onodera 1991-12-10
4957990 Materials for optical use Ryoichi Sudo, Makoto Kobata, Hiroaki Miwa 1990-09-18
4897228 Method for producing optical disk base Hiroaki Miwa, Ryoichi Sudo 1990-01-30
4889757 Optical recording disk Shinkichi Horigome, Toshio Niihara, Norio Ohta, Yutaka Sugita, Yoshinori Miyamura +2 more 1989-12-26
4835027 Optical disc Ryoichi Sudo, Hiroaki Miwa, Shinkichi Horigome 1989-05-30
4812346 Optical disc base plate and process for producing the same Ryoichi Sudo, Hiroaki Miwa 1989-03-14
4729938 Optical disc base plate having a primer layer formed of an ultraviolet-cured resin composition Hiroaki Miwa, Ryoichi Sudo 1988-03-08
4668550 Optical disc Hiroaki Miwa, Ryoichi Sudo, Shinkichi Horigome 1987-05-26
4460535 Method for producing flyback transformers Makoto Kitoh, Noboru Terunuma, Noboru Mitsugi, Akira Kageyama 1984-07-17