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 101–125 of 160 patents

Patent #TitleCo-InventorsDate
5685964 Oxygen concentration sensor element Masahiro Shibata, Masaya Fujimoto 1997-11-11
5654578 Superlattice avalanche photodiode with mesa structure 1997-08-05
5627306 Oxygen concentration sensor Masanobu Yamauchi 1997-05-06
5607609 Process and apparatus for soldering electronic components to printed circuit board, and assembly of electronic components and printed circuit board obtained by way of soldering Seiki Sakuyama, Hiroki Uchida 1997-03-04
5606403 Toner supply control system for an electrophotographic apparatus Toru Kikuchi, Shuho Yokokawa, Satoshi Aita, Hidenori Takayasu, Shigeo Nemoto +4 more 1997-02-25
5588509 Splined vibration damping device using ER fluids David A. Weitzenhof, Carmen S. Santa Maria, William S. Niaura, Gareth H. McKinley 1996-12-31
5579091 Developing unit for electro-photographic apparatus Koutarou Yamada, Youji Hirose, Hiroshi Ueno, Yoshio Ogura, Katuhiro Shinohara +2 more 1996-11-26
5572290 Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds Hiroshi Ueno, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima +7 more 1996-11-05
5552629 Superlattice avalance photodiode 1996-09-03
5528565 Magneto-optic recording system Koichi Takeuchi, Osamu Ito, Kyosuke Yosimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi 1996-06-18
5522481 Vibration damping device using ER fluids 1996-06-04
5489009 Vibration damping device Satoru Kawamata, Kiyoshi Ohno 1996-02-06
5481508 Magneto-optic recording medium method of manufacturing the same and magneto-optic recording system Koichi Takeuchi, Osamu Ito, Kyosuke Yosimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi 1996-01-02
5477946 Vibration damping devices Satoru Kawamata, Kiyoshi Ohno 1995-12-26
5457674 Optical disc recording apparatus Koichi Yamada, Kyosuke Yoshimoto, Kunimaro Tanaka 1995-10-10
5449150 Vibration damping device with an electrode and having rolling lobes of different radii David A. Weitzenhof, John D. Rensel, Saturo Kawamata 1995-09-12
5392967 Plug device for sealing liquid container Yasuhiko Satomi, Seiichi Itoh, Toru Goto, Shoji Sekihara 1995-02-28
5369628 Magneto-optic recording medium, magneto-optic recording system and magneto-optic recording method Kyosuke Yoshimoto, Osamu Ito, Kunimaro Tanaka, Koichi Takeuchi, Kazuhiko Tsutsumi 1994-11-29
5369066 Refractory material and product thereof containing low-silica electrofused magnesia clinker Naoki Furuta, Masakazu Ootsubo, Setsunori Hamaguchi, Yoichi Furuta, Toshihiro Suruga 1994-11-29
5366048 Vibration damping device Makoto Nakao, Kiyoshi Ohno, Masatoshi Ohishi 1994-11-22
5362359 Circuit board and process for producing same Eiji Horikoshi, Motoaki Tani, Katsuhide Natori, Takehiko Sato 1994-11-08
5359396 Toner density detection method for electrophotographic apparatus Yoshio Ogura, Yasuyuki Tsuji, Shuuho Yokokawa, Kunitomo Takahashi, Isao Nakajima +3 more 1994-10-25
5338947 Avalanche photodiode including a multiplication layer and a photoabsorption layer 1994-08-16
5309415 Information recording method for overwriting a magneto-optic recording medium with two intensities of light beams Koichi Takeuchi, Osamu Ito, Kyosuke Yoshimoto, Kunimaro Tanaka, Kazuhiko Tsutsumi +6 more 1994-05-03
5305294 Magneto-optical recording/reproducing system having an electromagnetic actuator Kenjiro Kime, Keiji Nakamura, Hajime Nakajima 1994-04-19