KY

Kouichi Yasuda

SO Sony: 12 patents #3,691 of 25,231Top 15%
KS Kawasaki Steel: 2 patents #570 of 1,922Top 30%
TK Toa Nenryo Kogyo: 1 patents #121 of 220Top 60%
Overall (All Time): #324,921 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8565057 Multilayer optical recording medium Tetsuhiro Sakamoto, Hirotaka Miyamoto, Jun Nakano 2013-10-22
8241834 Optical recording medium and production method therefor, and sputtering target and production method therefor Shigeki Takagawa 2012-08-14
7464391 Optical recording medium Mitsuaki Oyamada, Jun Nakano, Norio Mitsui, Sakuya Tamada 2008-12-09
5474874 Optical recording medium Nobutoshi Asai 1995-12-12
5450387 Optical pickup apparatus for phase changing optical disk Masumi Ono, Atsushi Fukumoto 1995-09-12
5432774 Optical recording medium Atsushi Fukumoto, Toshiki Udagawa, Shunji Yoshimura, Masumi Ono 1995-07-11
5421969 Surface-treated steel sheet having improved weldability and plating properties, and method for producing the same Chiaki Kato, Yasuji Uesugi, Nobuyuki Morito, Akira Yasuda, Hajime Kimura 1995-06-06
5390162 Method for reproducing signals recorded on optical recording medium Atsushi Fukumoto, Toshiki Udagawa, Shunji Yoshimura, Masumi Ono 1995-02-14
5380573 Optical recording medium Atsushi Fukumoto, Toshiki Udagawa, Shunji Yoshimura, Masumi Ohta, Masumi Ono 1995-01-10
5353277 Optical disk having intertrack heat conduction suppression Atsushi Fukumoto, Masumi Ono 1994-10-04
5335213 Positional detection of a magneto-optic recording medium for controlling irradiation of a relief region Atsushi Fukumoto, Toshiki Udagawa, Shunji Yoshimura, Masumi Ono 1994-08-02
5329512 Temperature detection of a magneto-optic recording medium for controlling irradiation of an erasure region Atsushi Fukimoto, Toshiki Udagawa, Shunji Yoshimura, Masumi Ono 1994-07-12
5326648 Surface-treated steel sheet having improved weldability and plating properties, and method for producing the same Chiaki Kato, Yasuji Uesugi, Nobuyuki Morito, Akira Yasuda, Hajime Kimura 1994-07-05
5304440 Optical disk Masumi Ono, Atsushi Fukumoto 1994-04-19
5145812 Molded articles formed of silicon nitride based ceramic and process for producing same Mikiro Arai, Osamu Funayama, Hayato Nishii, Tamio Ishiyama, Hiroshi Kaya +6 more 1992-09-08