AF

Akio Fukushima

HI Hitachi: 22 patents #1,535 of 28,497Top 6%
KT Kabushiki Kaisha Toshiba: 10 patents #3,082 of 21,451Top 15%
Pioneer Electronic: 5 patents #387 of 1,840Top 25%
Mitsubishi Electric: 5 patents #5,859 of 25,717Top 25%
HC Hitachi Consumer Electronics Co.: 5 patents #43 of 447Top 10%
Pioneer: 4 patents #451 of 1,730Top 30%
HS Hitachi-Lg Data Storage: 3 patents #87 of 294Top 30%
SO Sony: 1 patents #17,262 of 25,231Top 70%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
Canon: 1 patents #14,899 of 19,416Top 80%
JA Japan Science And Technology Agency: 1 patents #756 of 2,171Top 35%
📍 Tsukuba, JP: #18 of 2,818 inventorsTop 1%
Overall (All Time): #39,147 of 4,157,543Top 1%
60
Patents All Time

Issued Patents All Time

Showing 26–50 of 60 patents

Patent #TitleCo-InventorsDate
8013408 Negative-resistance device with the use of magneto-resistive effect Hiroki Maehara, Hitoshi Kubota, Shinji Yuasa, Yoshishige Suzuki, Yoshinori Nagamine 2011-09-06
8014259 Multi layer optical disc and optical disc apparatus capable of coping with the multi layer optical disc 2011-09-06
7961582 Optical disk recording apparatus, laser diode driving apparatus and recording signal generating apparatus 2011-06-14
7839728 Optical disc recording device 2010-11-23
7764300 Optical recording medium and data recording device Ryuichiro Yoshimura, Hidenori Nakagawa, Takayuki Yamamoto, Takashi Nakai, Yuichi Mizuuchi +12 more 2010-07-27
7764136 Microwave transmission line integrated microwave generating element and microwave transmission line integrated microwave detecting element Yoshishige Suzuki, Shinji Yuasa, Ashwin Tulapurkar 2010-07-27
7671852 Display device, display method, and computer product Takayuki Kasuya, Hiroshi Toriumi, Naoko Ito, Koji Suzuki, Fumiko Kikuchi 2010-03-02
7556869 Electronic device and wiring with a current induced cooling effect, and an electronic device capable of converting a temperature difference into voltage Hitoshi Kubota, Atsushi Yamamoto 2009-07-07
7395431 Data encryption method, recording medium, data transfer apparatus, and encrypted data decryption method Hiroyuki Kimura 2008-07-01
7289721 Method and apparatus for data reproduction Hiroyuki Kimura, Hiroo Okamoto 2007-10-30
7288173 Ion beam processing system and ion beam processing method Kojiro Yagami 2007-10-30
7145851 Optical disk apparatus and information recording apparatus Masayoshi Okawa 2006-12-05
7113613 Watermark information detection method Isao Echizen, Hiroshi Yoshiura, Hiroyuki Kimura, Kousuke Anzai 2006-09-26
7095870 Electronic watermark embedding apparatus and method and a format conversion device having a watermark embedding function Hiroyuki Kimura, Michihiro Tateishi 2006-08-22
6643231 Optical disc apparatus and method Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 2003-11-04
6552970 Optical disk apparatus Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 2003-04-22
6484318 CATV communication system and method for the internet connection Takehiko Shioda, Ikuru Yoshida, Jun Cheng, Hidenobu Kato, Masayuki Yamazaki +2 more 2002-11-19
6452889 Optical disc apparatus accessing method and system therefor Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 2002-09-17
6317403 Optical disc apparatus accessing method and system therefor Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 2001-11-13
6262957 Method and apparatus for automatically discriminating types of optical disks Shigeki Inoue, Hiroshi Minoda, Hiroyuki Tanaka, Kazuhiko Ono 2001-07-17
6108291 Optical disc apparatus accessing method and system therefor Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 2000-08-22
6023935 Air conditioner Takashi Okazaki, Yoshihiro Sumida, Akihiro Matsushita, Itsutarou Akiyama, Yasunori Shida 2000-02-15
6002655 Optical disc apparatus accessing method and system therefor Kazuhiko Ono, Eiji Ikeda, Hiroshi Minoda, Hiroaki Shioyama, Shigeki Inoue 1999-12-14
5661821 Still image filing system Tomohiro Kimura, Toshihiko Maruyama 1997-08-26
5546381 Spread spectrum communication system and method, using sequentially phase shifted M-sequence codes 1996-08-13