TT

Takashi Toyooka

SE Seiko Epson: 45 patents #246 of 7,774Top 4%
HI Hitachi: 17 patents #2,231 of 28,497Top 8%
PH Phc Holdings: 8 patents #14 of 211Top 7%
IBM: 7 patents #14,640 of 70,183Top 25%
SY Synopsys: 2 patents #669 of 2,302Top 30%
HE Hitachi Micro Computer Engineering: 1 patents #131 of 393Top 35%
Overall (All Time): #22,588 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 51–75 of 80 patents

Patent #TitleCo-InventorsDate
7746530 Image display device, image display method, and image display program Yasunaga Miyazawa, Hiroshi Hasegawa, Hidehito Iisaka, Hidehiro Akahane 2010-06-29
7649574 Image display method and device, and projector 2010-01-19
7542619 Image display method, image display device, and projector Shohei Yoshida 2009-06-02
7466499 Projector Kesatoshi Takeuchi, Hidehito Iisaka 2008-12-16
7403318 Image display device, image display method, and image display program Yasunaga Miyazawa, Hiroshi Hasegawa, Hidehito Iisaka, Hidehiro Akahane 2008-07-22
5863631 Perpendicular magnetic recording medium and magnetic recording device using the same Yoshiaki Sonobe, Yoshihiro Ikeda, Hiroshi Uchida, Yoshiuki Tagashira 1999-01-26
5844910 Flash-erase-type nonvolatile semiconductor storage device Hideto Niijima, Akashi Satoh, Yoshinori Sakaue 1998-12-01
5734816 Nonvolatile memory with flash erase capability Hideto Niijima 1998-03-31
5598370 Nonvolatile memory with cluster-erase flash capability and solid state file apparatus using the same Hideto Niijima, Hideo Asano, Yoshinori Sakaue 1997-01-28
5546402 Flash-erase-type nonvolatile semiconductor storage device Hideto Niijima, Akashi Satoh, Yoshinori Sakaue 1996-08-13
5509018 Flash-erase-type nonvolatile semiconductor storage device Hideto Niijima, Akashi Satoh, Yoshinori Sakaue 1996-04-16
5457658 Nonvolatile memory with cluster-erase flash capability and solid state file apparatus using the same Hideto Niijima, Hideo Asano, Yoshinori Sakaue 1995-10-10
5270987 Magneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium therefor Toshimitsu Kaku, Shigeru Nakamura, Masahiko Takahashi, Toshio Niihara, Harukazu Miyamoto +7 more 1993-12-14
5023473 Drive circuit for Bloch line memory Yoji Maruyama, Ryo Suzuki 1991-06-11
5014239 Magnetic bubble generator using plural conductors with common current source Masatoshi Takeshita, Toshihiro Sato, Ryo Suzuki 1991-05-07
4837741 Magnetic bubble memory device Toshihiro Sato, Naoki Kodama, Teruaki Takeuchi, Masatoshi Takeshita, Ryo Suzuki 1989-06-06
4788672 Method and apparatus for controlling renewal of data in optical disc memory Norio Ohta, Yutaka Sugita, Kazuo Shigematsu, Atsushi Saito 1988-11-29
4769783 Magnetic bubble memory device Toshihiro Sato, Teruaki Takeuchi, Masatoshi Takeshita, Naoki Kodama, Tadashi Ikeda +1 more 1988-09-06
4755430 Magnetic bubble memory device Masatoshi Takeshita, Hiroshi Umezaki, Ryo Suzuki, Teruaki Takeuchi, Naoki Kodama 1988-07-05
4745578 Magnetic bubble memory device Teruaki Takeuchi, Naoki Kodama, Masatoshi Takeshita, Ryo Suzuki 1988-05-17
4744052 Hybrid magnetic bubble memory device Naoki Kodama, Teruaki Takeuchi, Masatoshi Takeshita, Ryo Suzuki, Shinzo Matsumoto 1988-05-10
4607178 Reset signal generating circuit Mamoru Sugie, Hirokazu Aoki, Kazutoshi Yoshida, Shinsaku Chiba 1986-08-19
4550388 Method of controlling stop operation of rotating magnetic field for magnetic bubble memory device Kazutoshi Yoshida, Kazuhiro Ishida, Tatsuo Okahashi, Hirokazu Aoki, Ryo Suzuki +1 more 1985-10-29
4538242 Signal processing circuit for magnetic bubble memory devices Aoki Hirokazu, Mamoru Sugie, Yutaka Sugita 1985-08-27
4530070 Magnetic bubble memory device Mamoru Sugie, Hirokazu Aoki 1985-07-16