KS

Kazuo Sakai

KC Kokusai Denshin Denwa Co.: 30 patents #8 of 382Top 3%
HI Hitachi: 20 patents #1,757 of 28,497Top 7%
FC Fuji Pigment Co.: 12 patents #1 of 23Top 5%
KT Kabushiki Kaisha Toshiba: 12 patents #2,533 of 21,451Top 15%
NO Nippon Oil: 4 patents #154 of 773Top 20%
OL Origin Electric Company, Limited: 3 patents #18 of 128Top 15%
NT NTT: 2 patents #2,095 of 4,871Top 45%
KD Kokusai Denshin Denwa Kabushiki Daisha: 2 patents #1 of 16Top 7%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
NC Nihon Shokuhin Kako Co.: 1 patents #22 of 71Top 35%
HG HGST: 1 patents #253 of 483Top 55%
NS Nippon Steel: 1 patents #2,111 of 4,423Top 50%
NK Nsk-Warner K.K.: 1 patents #110 of 206Top 55%
Overall (All Time): #23,358 of 4,157,543Top 1%
79
Patents All Time

Issued Patents All Time

Showing 26–50 of 79 patents

Patent #TitleCo-InventorsDate
5754361 Information recording and/or reproducing apparatus having a tape threading device with tape guide members having minimum tape wrapping angles Tomokazu Ishii, Tadashi Honzawa, Masaru Orii, Fujio Tajima, Kooetsu Okuyama +1 more 1998-05-19
5739976 Magnetic recording and reproducing apparatus Fumio Takeda, Taichiro Yamashita, Fujio Tajima, Takao Terayama, Tomokazu Ishii +8 more 1998-04-14
5720442 Capstanless tape driving method and information recording and reproduction apparatus Norihisa Yanagihara, Shinsuke Nakagawa, Shigeyuki Kobata, Masao Iwakura 1998-02-24
5570831 Pneumatic static guide for a tape Hidekazu Takeda, Kenmei Masuda, Nobuyuki Kaku, Tomoki Shoji, Toshihiro Koyama +1 more 1996-11-05
5537266 Tape loading device and magnetic conversion apparatus Taichiro Yamashita, Yasuhiro Nemoto, Shigeyuki Kobata, Masao Iwakura, Masatoshi Ishikawa 1996-07-16
5520855 Coating solution composition for forming glass gel thin film, color glass gel filter, and display device using the same Takeo Ito, Hidemi Matsuda 1996-05-28
5497280 Cassette holder mechanism for magnetic recording/reproducing apparatus Yasuhiro Nemoto, Kazuto Oyama, Hideharu Ono 1996-03-05
5495371 Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head Takayuki Munemoto, Fujio Tajima, Tomokazu Ishii, Fumio Takeda, Kouetsu Okuyama +4 more 1996-02-27
5464566 Coating solution composition for forming glass gel thin film, color glass gel filter, and display device using the same Takeo Ito, Hidemi Matsuda 1995-11-07
5450813 Method for manufacturing nitrogen-doped group II-VI compound semiconductor thin films Kohsuke Nishimura, Yasuyuki Nagao 1995-09-19
5428342 Analyzing system for operating condition of electrical apparatus Hideo Enoki, Masataka Kawauchi, Hiroshi Ohki, Ichiro Nakamura 1995-06-27
5423284 Method for growing crystals of N-type II-VI compound semiconductors Kohsuke Nishimura, Yasuyuki Nagao 1995-06-13
5315422 Optical Mach-Zehnder type logic element which performs an XOR operation Katsuyuki Utaka, Yasuyuki Nagao, Yuichi Matsushima 1994-05-24
5220472 Rotary drum for video tape recorder Tomomi Okamoto, Hiroaki Ono, Shinji Ozaki 1993-06-15
5214622 Information display apparatus Yasuhiro Nemoto, Masataka Kawauchi, Hideki Tanaka, Kihachiro Tanaka, Hiroshi Ohki +2 more 1993-05-25
5208151 Process for the preparation of derivatives of maltooligosaccharides Taichi Usui, Teruo Nakakuki 1993-05-04
5193939 Marine structure having superior corrosion resistance Taiji Nagatani, Seiichi Soeda, Yasuo Takahashi 1993-03-16
5132747 Avalanche photo diode Yuichi Matsushima, Shigeyuki Akiba 1992-07-21
5122844 Quantum well structure and semiconductor device using the same Shigeyuki Akiba, Masashi Usami, Yuichi Matsushima, Katsuyuki Utaka 1992-06-16
5115361 Guide mechanism for positioning tape guides in a magnetic tape loading apparatus Takao Terayama, Hajime Yokota, Nobuyuki Kaku 1992-05-19
5010376 Light emitting heterojunction semiconductor device Kohsuke Nishimura 1991-04-23
4992837 Light emitting semiconductor device Yukitoshi Kushiro, Kohsuke Nishimura 1991-02-12
4961122 Hydrodynamic grooved bearing device Takao Terayama, Juichi Morikawa 1990-10-02
4918496 Infrared emitting device with dislocation free layer Yuichi Matsushima, Shigeyuki Akiba, Katsuyuki Utaka 1990-04-17
4897845 Semiconductor optical amplifying element Katsuyuki Utaka, Yuichi Matsushima, Shigeyuki Akiba 1990-01-30