YT

Yasuo Tanaka

HI Hitachi: 31 patents #867 of 28,497Top 4%
OC Oki Electric Industry Co.: 14 patents #69 of 2,807Top 3%
MC Mitsui Chemicals: 13 patents #98 of 2,279Top 5%
HC Hitachi Construction Machinery Co.: 13 patents #89 of 1,234Top 8%
Fujitsu Limited: 10 patents #3,161 of 24,456Top 15%
MC Mitsubishi Gas Chemical Company: 10 patents #181 of 1,727Top 15%
JT Japan Tobacco: 7 patents #67 of 1,187Top 6%
OC Oki Semiconductor Co.: 7 patents #9 of 526Top 2%
HC Hitachi Electronic Devices Co.: 7 patents #7 of 92Top 8%
MC Minolta Co.: 7 patents #298 of 1,416Top 25%
PA Panasonic: 5 patents #5,165 of 21,108Top 25%
IC Ikeda Bussan Co.: 4 patents #34 of 235Top 15%
MC Murata Manufacturing Co.: 4 patents #1,804 of 5,295Top 35%
AC Alps Electric Co.: 3 patents #607 of 2,177Top 30%
FI Fujifilm Business Innovation: 3 patents #1,029 of 1,659Top 65%
MI Minolta: 3 patents #494 of 1,109Top 45%
KM Konica Minolta: 2 patents #764 of 1,361Top 60%
HC Hitachi Device Engineering Co.: 2 patents #202 of 514Top 40%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
NC Nidec Copal: 2 patents #55 of 172Top 35%
NC Nippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
SL Suntory Holdings Limited: 2 patents #246 of 846Top 30%
FL Fujitsu Optical Components Limited: 1 patents #74 of 126Top 60%
MI Mitsui Petrochemical Industries: 1 patents #503 of 1,024Top 50%
MI Mitsui Toatsu Chemicals, Incorporated: 1 patents #880 of 1,543Top 60%
EB Ebara: 1 patents #1,014 of 1,611Top 65%
NE Newfrey: 1 patents #263 of 476Top 60%
DH Daido Hoxan: 1 patents #10 of 44Top 25%
SO Sony: 1 patents #17,262 of 25,231Top 70%
NC Nippon Seiko Co.: 1 patents #121 of 315Top 40%
DC Dainichi-Nippon Cables: 1 patents #21 of 64Top 35%
OM Omron: 1 patents #1,808 of 3,089Top 60%
PC Pi R&D Co.: 1 patents #17 of 41Top 45%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Casio Computer Co.: 1 patents #1,284 of 1,970Top 70%
TC Tokyo Sanyo Electric Co.: 1 patents #24 of 89Top 30%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Mazda Motor: 1 patents #2,563 of 4,755Top 55%
IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
UK Ushio Denki Kabushiki Kaisha: 1 patents #309 of 583Top 55%
FL Fujitsu Telecom Networks Limited: 1 patents #17 of 57Top 30%
Overall (All Time): #4,956 of 4,157,543Top 1%
167
Patents All Time

Issued Patents All Time

Showing 101–125 of 167 patents

Patent #TitleCo-InventorsDate
5701569 Image forming apparatus with transfer member and parallel circuit of grounded electrode and power supply Masaharu Kanazawa, Toshiya Natsuhara, Kazuyoshi Hara 1997-12-23
5695566 Apparatus and method for plasma-processing Masaki Suzuki, Shoji Fukui, Yuji Tsutsui, Shigeyuki Yamamoto 1997-12-09
5672523 Thin film transistor substrate, manufacturing method thereof, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Haruo Matsumaru, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1997-09-30
5649433 Cold evaporator Hiroaki Suzuki, Yuji MORIMOTO, Taturu Yamauchi 1997-07-22
5642145 Image forming apparatus Takeshi Kato, Katsunori Suzuki 1997-06-24
5633320 Thermoplastic polyester resin composition Yohji Hayakawa 1997-05-27
5585290 Method of manufacturing a thin film transistor substrate Hideaki Yamamoto, Haruo Matsumaru, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1996-12-17
5528350 Image forming apparatus with removal of excess toner Takeshi Kato, Katsunori Suzuki 1996-06-18
5460873 Cover fabric with latex foam backing and integrally foamed article using the same Taro Ogawa, Fumio Goto, Christian Thary 1995-10-24
5382333 Process for producing copper clad laminate Kazuhiro Ando, Takamasa Kawakami, Yasuhiro Shouji, Takeo Kanaoka, Norio Sayama 1995-01-17
5377649 Lubricating device for engine-driven supercharger Hidetsugu Matsubara, Yoshiyuki Miyagi, Tsuyoshi Goto, Koichi Hatamura, Seishiro Takayama 1995-01-03
5359206 Thin film transistor substrate, liquid crystal display panel and liquid crystal display equipment Hideaki Yamamoto, Haruo Matsumaru, Ken Tsutsui, Toshihisa Tsukada, Kazuo Shirahashi +2 more 1994-10-25
5350062 Wrapper of film unit with lens Miho Takiguchi, Noriko Katayama, Aya Itoh, Kaori Ohama 1994-09-27
5343026 Magnetic card reader/writer with selectable frequencies relative to motor speed for variable recording densities 1994-08-30
5316785 Method and apparatus of forming a coating film on an inner surface of a panel of a cathode ray tube Kunihiko Yanai, Yasunori Niwa 1994-05-31
D344532 Disposable camera Miho Takiguchi, Noriko Katayama, Kaori Ohama, Aya Ito 1994-02-22
5285642 Load sensing control system for hydraulic machine Hiroshi Watanabe, Eiki Izumi, Hiroshi Onoue, Shigetaka Nakamura 1994-02-15
5287152 Electric charge supplying device and system employing the same Tateki Oka, Kazuyoshi Hara, Koji Uno, Hitoshi Saito 1994-02-15
5287146 Contact type charging device having voltage limiter Koji Uno, Tateki Oka, Hitoshi Saito 1994-02-15
5262828 Developing bias power unit for use in an image forming apparatus Tateki Oka, Hiroshi Goto, Tamotsu Sakuraba, Kazuyoshi Hara, Hitoshi Saito +1 more 1993-11-16
5252355 Process for producing multilayered printed board Kazuhiro Ando, Takamasa Kawakami, Yasuhiro Shouji, Takeo Kanaoka, Norio Sayama 1993-10-12
5200634 Thin film phototransistor and photosensor array using the same Toshihisa Tsukada, Yoshiyuki Kaneko, Hideaki Yamamoto, Norio Koike, Ken Tsutsui +1 more 1993-04-06
5170625 Control system for hydraulic pump Hiroshi Watanabe, Eiki Izumi, Hiroshi Onoue, Shigetaka Nakamura 1992-12-15
5087767 Method for preparing bisphenol A Kenichi Okamoto, Hidetoshi Kita, Shigeru Iimuro 1992-02-11
5076864 Process for producing multilayer printed wiring board Naohito Yoshimura, Koichi Nakano, Touru Nohtomi, Morio Gaku 1991-12-31