YT

Yasuhito Tanaka

SO Sony: 11 patents #4,043 of 25,231Top 20%
FC Fuji Electric Co.: 7 patents #338 of 2,643Top 15%
KC Koyo Seiko Co.: 6 patents #78 of 749Top 15%
MK Mitsui Toatsu Kagaku Kabushiki Kaisha: 4 patents #2 of 20Top 10%
HI Hitachi: 4 patents #8,942 of 28,497Top 35%
Mitsubishi Electric: 3 patents #8,691 of 25,717Top 35%
NM National Center For Global Health And Medicine: 2 patents #6 of 49Top 15%
OC Olympus Optical Co.: 1 patents #1,517 of 2,334Top 65%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Sharp Kabushiki Kaisha: 1 patents #6,861 of 10,731Top 65%
SY Sysmex: 1 patents #499 of 868Top 60%
TI Toray Industries: 1 patents #2,000 of 3,690Top 55%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
FC Fujifilm Toyama Chemical Co.: 1 patents #25 of 43Top 60%
HM Hitachi Maxell: 1 patents #659 of 1,211Top 55%
JT Jtekt: 1 patents #1,102 of 1,969Top 60%
MC Mitsui Chemicals: 1 patents #1,270 of 2,279Top 60%
NU Nagoya University: 1 patents #34 of 109Top 35%
NC Nittan Valve Co.: 1 patents #49 of 98Top 50%
Overall (All Time): #72,485 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
6940800 Reproduced signal evaluation apparatus and method, reproduction apparatus and method, and recording apparatus and method Kensuke Fujimoto, Shunji Yoshimura, Atsushi Fukumoto 2005-09-06
6721238 Magneto-optical recording medium having multiple magnetic layers capable of reducing reproducing laser power Yoshihiro Muto 2004-04-13
6687208 Laser drive integrated circuit and optical disk apparatus using the same Akihiro Asada, Hideo Ohnuki, Masaaki Kurebayashi, Toshimitsu Kaku, Takashi Hoshino +1 more 2004-02-03
6674702 Laser drive integrated circuit and optical disk apparatus using the same Akihiro Asada, Hideo Ohnuki, Masaaki Kurebayashi, Toshimitsu Kaku, Takashi Hoshino +1 more 2004-01-06
6638597 Magneto-optical recording medium Masataka Shinoda, Takashi Shimouma 2003-10-28
6483791 Laser drive integrated circuit and optical disk apparatus using the same Akihiro Asada, Hideo Ohnuki, Masaaki Kurebayashi, Toshimitsu Kaku, Takashi Hoshino +1 more 2002-11-19
6207151 Aqueous solution of t-PA Yukio Shimazaki, Nobuhiro Kawashima, Miki Suzuki, Ryo Tanaka, Kiyoshi Sakai +1 more 2001-03-27
6170625 Pulley unit 2001-01-09
6169714 Apparatus and method for recording/reproducing magneto-optical information Masaaki Kurebayashi, Takeshi Maeda, Hitoshi Watanabe, Tetsu Watanabe, Shigemi Maeda +3 more 2001-01-02
6116393 Pulley unit Junya Ooitsu, Hajime Tazumi, Yoshitaka Nakagawa 2000-09-12
6095301 Pulley unit Hideki Fujiwara, Yoshitaka Nakagawa, Hajime Tazumi, Junya Ooitsu 2000-08-01
6093991 Alternator pulley 2000-07-25
5879254 Pulley 1999-03-09
4965263 6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds useful as blood pressure depressants, antithrombotic agents and in the treatment of heart disease Takashi Nishina, Joji Kamiya, Tsutomu Katakami, Nobuyuki Fukazawa, Hajime Iizuka +1 more 1990-10-23
4639451 Pyridazinone derivatives Tsutomu Katakami, Nobuyuki Fukazawa, Hajime Iizuka, Takashi Nishina, Joji Kamiya +1 more 1987-01-27
4523011 Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds Tsutomu Katakami, Nobuyuki Fukazawa, Hajime Iizuka, Takashi Nishina, Joji Kamiya +1 more 1985-06-11
4521415 6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds Tsutomu Katakami, Nobuyuki Fukazawa, Hajime Iizuka, Takashi Nishina, Joji Kamiya +1 more 1985-06-04