YA

Yoshiyuki Akiyama

SO Sony: 36 patents #848 of 25,231Top 4%
Pioneer Electronic: 6 patents #303 of 1,840Top 20%
PV Pioneer Video: 3 patents #25 of 139Top 20%
Philips: 2 patents #2,426 of 7,731Top 35%
PP Pioneer Display Products: 2 patents #16 of 71Top 25%
HS Hitachi Automotive Systems: 2 patents #689 of 1,636Top 45%
HC Hitachi-Johnson Controls Air Conditioning: 2 patents #38 of 179Top 25%
YA Yazaki: 1 patents #2,077 of 3,427Top 65%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #66,745 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 26–44 of 44 patents

Patent #TitleCo-InventorsDate
6700861 Optical disc and apparatus for scanning the optical disc Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Johannus Bakx, Shoei Kobayashi, Masayuki Arai 2004-03-02
6646963 Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2003-11-11
6638047 Molding machine Fumio Asai, Norio Kawamura, Hiroshi Murashita, Junichi Hamamoto, Toshihiro Kitagawa 2003-10-28
6606289 Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2003-08-12
6580680 Optical disc and apparatus for scanning the optical disc Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Johannus Bakx, Shoei Kobayashi, Masayuki Arai 2003-06-17
6469961 Optical recording medium, method for recording/reproducing the optical Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2002-10-22
6430133 Optical recording and/or reproducing apparatus using wobble signals detected from a groove and pit signals detected from pits on the recording medium to control recording and/or reproducing Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2002-08-06
6424614 Data recording medium and record/playback apparatus using the data recording medium Makoto Kawamura, Yasushi Fujinami, Jun Yonemitsu, Tomihiro Nakagawa 2002-07-23
6282166 Optical recording medium with wobbled grooves and interconnecting pits Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2001-08-28
6075761 Optical recording medium having pits that are formed with respect to a wobbled groove at substantially constant positions in each cycle of the groove having a pit Shinichiro Iimura, Hiroshi Ogawa, Kazuo Kuroda, Toshio Suzuki, Akiyoshi Inoue +2 more 2000-06-13
5841513 Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track Shunji Yoshimura, Kiyoshi Ohsato, Isao Ichimura, Toshio Watanabe, Shinji Katsuramoto 1998-11-24
5764170 Code conversion method Masaomi Nabeta 1998-06-09
5745505 Digital signal encoding method and apparatus, digital signal recording medium, and digital signal decoding method and apparatus Jun Yonemitsu, Ryuichi Iwamura, Yasushi Fujinami, Katsuji Igarashi 1998-04-28
5623459 Method and apparatus for error correcting reproduced data Ryuichi Iwamura, Shozo Masuda 1997-04-22
5550603 Motion picture film with digital sound track Shunji Yoshimura, Kiyoshi Ohsata, Isao Ichimura, Toshio Watanabe, Shinji Katsuramoto 1996-08-27
5471450 Digital data reproducing apparatus and method employing buffer memories for error compensation and accomodating differences in reproduction and processing rates Jun Yonemitsu, Hideki Koyanagi 1995-11-28
5305113 Motion picture decoding system which affords smooth reproduction of recorded motion picture coded data in forward and reverse directions at high speed Ryuichi Iwamura 1994-04-19
5265078 Disk magazine and disk loading device Nobuyuki Hara 1993-11-23
5200938 Disk magazine and disk loading device Nobuyuki Hara 1993-04-06