KH

Kazuhiko Hamada

SC Sumitomo Chemical: 10 patents #473 of 4,033Top 15%
DL Denso Ten Limited: 2 patents #84 of 359Top 25%
SE Sega Enterprises: 1 patents #260 of 515Top 55%
NE Nec: 1 patents #7,889 of 14,502Top 55%
ON Onkyo: 1 patents #80 of 170Top 50%
SO Sony: 1 patents #17,262 of 25,231Top 70%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
FL Fujitsu Ten Limited: 1 patents #456 of 996Top 50%
📍 Ibaraki, JP: #548 of 6,779 inventorsTop 9%
Overall (All Time): #294,027 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
10999662 Speaker device Masahiro Morisaki 2021-05-04
10764662 Speaker system and enclosure structure of speaker system Masashi Nakamura, Masahito Isayama, Takashi Moriki, Isamu Umegaki, Shunsuke Kobayashi +1 more 2020-09-01
8456563 Solid-state imaging device with on chip lenses with adjust characteristics to render pixel output sensitivities more uniform 2013-06-04
7292706 Support structure of loudspeaker unit and loudspeaker system 2007-11-06
6529875 Voice recognizer, voice recognizing method and game machine using them Takuya Nakajima 2003-03-04
5732276 Machine translation device Takako Komatsu, Shinichi Doi 1998-03-24
5041651 Asymmetrically modified boron hydride type compound and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Gohfu Suzukamo, Toshio Nishioka 1991-08-20
4923999 Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Gohfu Suzukamo, Toshio Nishioka 1990-05-08
4760149 Asymmetrically modified boron hydride type compound, a production method thereof, and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Gohfu Suzukamo, Toshio Nishioka 1988-07-26
4749809 Optically active borane complex and a method for producing an optically active alcohol derivative by the use thereof Yukio Yoneyoshi, Gohfu Suzukamo, Toshio Nishioka 1988-06-07
4584410 Process for the preparation of hydroxybenzaldehydes Gohfu Suzukamo, Fujio Masuko, Makoto Nakamura 1986-04-22
4542235 Method for producing an optically active 2,2-dimethylcyclopropanecarboxylic acid Masayoshi Minai, Tadashi Katsura, Gohfu Suzukamo 1985-09-17
4469894 Process for preparation of hydroxybenzaldehydes Gohfu Suzukamo 1984-09-04
4429163 Preparation of p-hydroxybenzaldehyde derivatives Kanji Nishizawa, Tadatoshi Aratani 1984-01-31
4424390 Process for producing 5-halomethylfurfural Hiroshi Yoshihara, Gohfu Suzukamo 1984-01-03
4335049 Process for producing 5-methylfurfural Goufu Suzukamo, Koichi Fujisawa 1982-06-15