KY

Katsuhiko Yamada

KT Kabushiki Kaisha Toshiba: 25 patents #1,086 of 21,451Top 6%
TC Toshiba Materials Co.: 25 patents #6 of 197Top 4%
Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
SO Sony: 11 patents #4,043 of 25,231Top 20%
Canon: 10 patents #6,241 of 19,416Top 35%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
MM Mitsubishi Mining: 3 patents #285 of 2,247Top 15%
SE Sega Enterprises: 2 patents #136 of 515Top 30%
ML Mitsubishi Petrochemical Company Limited: 2 patents #172 of 670Top 30%
OC Oci Company: 2 patents #13 of 112Top 15%
MC Mitsubishi Yuka Fine Chemicals Co.: 1 patents #16 of 39Top 45%
DC Dainichiseika Color & Chemicals Mfg. Co.: 1 patents #184 of 376Top 50%
DP Daio Paper: 1 patents #126 of 258Top 50%
MC Mitsubishi Chemical: 1 patents #1,511 of 3,022Top 50%
DI Daikin Industries: 1 patents #1,764 of 2,957Top 60%
NE Nec: 1 patents #7,889 of 14,502Top 55%
OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #21,962 of 4,157,543Top 1%
81
Patents All Time

Issued Patents All Time

Showing 51–75 of 81 patents

Patent #TitleCo-InventorsDate
D436947 Pickup for an optical disc player or recorder Tetsuhiro Shiomi, Tomoaki Morishita, Kazuhiko Mori 2001-01-30
6166684 Artificial satellite navigation system and method Shoji Yoshikawa, Hiroshi Koyama, Jun Tsukui 2000-12-26
D433676 Drive unit for an optical disc player or recorder Tetsuhiro Shiomi, Tomoaki Morishita, Kazuhiko Mori 2000-11-14
6102338 Attitude determination system for artificial satellite Shoji Yoshikawa, Hiroshi Sakashita, Hiroo Yonechi 2000-08-15
6097690 Optical pickup and disc player Tsutomu Mochizuki 2000-08-01
6069393 Photoelectric converter Katsunori Hatanaka, Toshihiro Saika, Takayuki Ishii, Satoshi Itabashi, Kazuaki Tashiro +1 more 2000-05-30
5879755 Powder coating, powder coating process and powder-coated article Masayuki Takahashi, Michiei Nakamura, Takayoshi HIRATA 1999-03-09
5834822 Image sensor Katsunori Hatanaka, Toshihiro Saika, Takayuki Ishii 1998-11-10
5769152 Continuous casting process and continuous casting/rolling process for steel 1998-06-23
5765626 Continous casting process and continous casting/rolling process for steel 1998-06-16
5672902 Image sensor Katsunori Hatanaka, Toshihiro Saika, Takayuki Ishii 1997-09-30
5632862 Roll for paper-making machine Kazuhito Ohira, Setsuo Suzuki, Mitsuo Yamamoto, Shunji Kasuga 1997-05-27
5543440 Process for producing powdered carboxyl-containing polymer Kazuhide Hayama, Yukio Saitoh, Yasuo Kitani 1996-08-06
5180766 Resin composition for primer use and primer composition employing the same Kazuhide Hayama, Kazuyuki Hata, Keizo Abe, Takahiro Ozu 1993-01-19
5153247 Injection-molded product with superior dimensional precision Michiya Okamura, Hiroshi Yui, Takeshi Hatakeyama, Michio Ohmori, Kouich Sagisaka +2 more 1992-10-06
5073828 Photoelectric conversion device Katsunori Hatanaka, Toshihiro Saika, Takayuki Ishii 1991-12-17
5057889 Electronic device including thin film transistor Toshihiro Saika 1991-10-15
5040041 Semiconductor device and signal processing device having said device provided therein Shigetoshi Sugawa, Hidemasa Mizutani 1991-08-13
5015287 Steel melting and secondary-refining method Norio Egusa 1991-05-14
4920431 Image reading apparatus with jam-prevention feature Makoto Ogura, Tatsundo Kawai, Shinichi Seito 1990-04-24
4871146 Apparatus for heat treatment of steel rods Kunio Ojima, Takashi Asakura, Yusuke Yamamori, Yukihiro Nakamura 1989-10-03
4857751 Photoelectric conversion apparatus with separating electrodes Katsunori Hatanaka, Toshihiro Saika, Takayuki Ishii 1989-08-15
4818445 Apparatus for treating a solution or a slurry solution Masakazu Onizuka, Atsushi Tatani, Masao Hino, Nobutaka Maeda, Tokuma Arai 1989-04-04
4791493 Image reading apparatus with illumination timing control Makoto Ogura, Tatsundo Kawai, Shinichi Seitoh 1988-12-13
4770722 Methods for heat treatment of steel rods Kunio Ojima, Takashi Asakura, Yusuke Yamamori, Yukihiro Nakamura 1988-09-13