IW

Isao Watanabe

Mitsubishi Electric: 20 patents #993 of 25,717Top 4%
Fujitsu Limited: 19 patents #1,495 of 24,456Top 7%
DE Denso: 16 patents #623 of 11,792Top 6%
Bridgestone: 12 patents #165 of 2,860Top 6%
KM Konica Minolta: 10 patents #260 of 2,718Top 10%
TO Toyota: 8 patents #3,629 of 26,838Top 15%
NO Nok: 6 patents #68 of 725Top 10%
HI Hitachi: 6 patents #6,582 of 28,497Top 25%
NC Nippondenso Co.: 5 patents #465 of 3,479Top 15%
HC Hitachi Koki Co.: 5 patents #222 of 888Top 25%
NE Nec: 5 patents #2,830 of 14,502Top 20%
SO Sony: 5 patents #7,785 of 25,231Top 35%
RE Renesas Electronics: 4 patents #1,016 of 4,529Top 25%
SA Sato: 4 patents #25 of 223Top 15%
KM Konica Minolta: 4 patents #503 of 1,361Top 40%
Canon: 3 patents #11,241 of 19,416Top 60%
TK Thermos K.K.: 3 patents #5 of 26Top 20%
NS Nippon Sanso: 3 patents #53 of 243Top 25%
BF Bridgestone Firestone: 2 patents #75 of 276Top 30%
SK Showa Denko K.K.: 2 patents #639 of 1,736Top 40%
Nissan Motor Co.: 2 patents #3,090 of 8,689Top 40%
Pioneer: 1 patents #1,107 of 1,730Top 65%
Pioneer Electronic: 1 patents #1,093 of 1,840Top 60%
SA Showa Aluminum: 1 patents #122 of 253Top 50%
TE Teac: 1 patents #255 of 440Top 60%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
YA Yokohama Aeroquip: 1 patents #2 of 13Top 20%
TL Toyota Central R&D Labs: 1 patents #823 of 1,657Top 50%
KE Kokusai Electric: 1 patents #344 of 583Top 60%
TI Toyota Industries: 1 patents #904 of 1,610Top 60%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
KR Krosaki: 1 patents #9 of 43Top 25%
LG Lion Group: 1 patents #229 of 587Top 40%
BL Bridgestone Tire Company Limited: 1 patents #196 of 438Top 45%
NE Nec Electronics: 1 patents #715 of 1,789Top 40%
NS Nippon Soken: 1 patents #783 of 1,540Top 55%
KT Kabushiki Kaisha Toshiba: 1 patents #13,537 of 21,451Top 65%
HC Hoden Seimitsi Kako Kenkyusho Co.: 1 patents #16 of 36Top 45%
Overall (All Time): #5,402 of 4,157,543Top 1%
160
Patents All Time

Issued Patents All Time

Showing 126–150 of 160 patents

Patent #TitleCo-InventorsDate
5272684 Information recording method and information recording apparatus for magneto-optic recording information medium Koichi Takeuchi, Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi +6 more 1993-12-21
5264911 Laser power measuring jig for optical disk unit Kazuhiko Nakane, Masayoshi Shimamoto, Yoshihiro Kiyose, Keiji Nakatsu, Masami Horita +4 more 1993-11-23
5247493 Magneto-optical recording and reproducing disk device having a bimorph type actuator with specific structures for mounting a magnetic head in opposing to the surface of the disk Kenjiro Kime, Keiji Nakamura, Hajime Nakajima 1993-09-21
5236772 Circuit board and process for producing same Eiji Horikoshi, Motoaki Tani, Katsuhide Natori, Takehiko Sato 1993-08-17
5218591 Optical disk apparatus for shaping pits recorded on an optical disk Masayoshi Shimamoto, Kunimaro Tanaka, Osamu Ito 1993-06-08
5197048 Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Koichi Takeuchi, Kazuhiko Tsutsumi 1993-03-23
5180145 Vibration damping device John D. Rensel, David A. Weitzenhof 1993-01-19
5172364 Magneto-optic recording apparatus with controlled magnetic field generation Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Koichi Takeuchi, Kazuhiko Tsutsumi 1992-12-15
5170382 Magneto-optical recording apparatus for creating magnetic domains with reduced tails Kouichi Yamada 1992-12-08
5144612 Disc loading device Nobuyuki Isobe 1992-09-01
5141820 Aluminum pipe for use in forming bulged portions thereon and process for producing same Minobu Sukimoto, Hitoshi Akiyoshi, Seijiro Taguchi, Kazuo Sugiyama 1992-08-25
5115424 Optical storage medium with provision for limitation of thermal conduction Hajime Nakajima, Kunimaro Tanaka 1992-05-19
5090744 Flexible pipe joint system Takanobu Hagiwara, Katsuhiko Hatta 1992-02-25
5090759 Apparatus for gripping an object Naomi Sato, Hiroshi Fukuyama 1992-02-25
5083824 Gripping head of apparatus for handling objects such as lipsticks and the like Naomi Sato 1992-01-28
5024264 Method of cooling a semiconductor device with a cooling unit, using metal sherbet between the device and the cooling unit Katsuhide Natori, Koji Katsuyama, Isao Kawamura, Karuhiko Yamamoto, Takeshi Nagai 1991-06-18
5012858 Method of cooling a semiconductor device with a cooling unit, using metal sherbet between the device and the cooling unit Katsuhide Natori, Koji Katsuyama, Isao Kawamura, Haruhiko Yamamoto, Takeshi Nagai 1991-05-07
4918423 Tire inspection device Hiroshi Fukuyama, Makoto Morinaga, Norio Goshima, Makoto Nakao, Kiyoshi Oono 1990-04-17
4854557 Air springs Norio Goshima 1989-08-08
4835752 Device for driving and controlling optical head for use in optical disk system Keiji Nakatsu, Shigeo Hayashi, Masaharu Ogawa, Osamu Itou, Kunimaro Tanaka 1989-05-30
4807858 Air springs Yasushi Fujihira 1989-02-28
4727531 Information recording system Osamu Ito 1988-02-23
4672273 Electronic flash device for camera Kazuo Ikawa 1987-06-09
4630742 Container and plug assembly Kenichi Miyaji, Shouji Toida, Seiichi Ito, Masatoshi Kishida 1986-12-23
4603953 Flash device 1986-08-05