YK

Yoshiaki Komma

PA Panasonic: 110 patents #58 of 21,108Top 1%
Sumitomo Electric Industries: 67 patents #86 of 21,551Top 1%
Tdk: 2 patents #1,902 of 3,796Top 55%
SO Sony: 2 patents #12,963 of 25,231Top 55%
Overall (All Time): #4,396 of 4,157,543Top 1%
177
Patents All Time

Issued Patents All Time

Showing 51–75 of 177 patents

Patent #TitleCo-InventorsDate
8194521 Optical disc device, video reproducing apparatus, server, car navigation system using the optical disc device, integrated circuit and recording/reproducing method Hidenori Wada, Takeshi Shimamoto 2012-06-05
8189452 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Joji Anzai, Masahiko Tsukuda, Yasumori Hino 2012-05-29
8184522 Optical head for optical recorder/reproducer Hidenori Wada, Sadao Mizuno, Keiichi Matsuzaki 2012-05-22
8179769 Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle Fumitomo Yamasaki, Katsuhiko Hayashi 2012-05-15
8174939 Optical head and optical disc device Akihiro Arai 2012-05-08
8144564 Optical head and optical information device Kanji Wakabayashi, Kousei Sano, Toshiyasu Tanaka, Keiichi Matsuzaki, Hidenori Wada 2012-03-27
8144563 Information recording medium, reproducing device and reproducing method Masahito Nakao, Yasumori Hino, Fumitomo Yamasaki, Kousei Sano 2012-03-27
8134907 Optical head, optical element with diffraction grating, optical disc device and information processing device Fumitomo Yamasaki, Tomoaki Tojo 2012-03-13
8130628 Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method Joji Anzai, Masahiko Tsukuda, Yasumori Hino 2012-03-06
8130603 Optical disk driving apparatus, optical disk driving system, vehicle equipped with optical disk driving system, method of correcting spherical aberration in optical disk driving apparatus, program and recording medium Fumitomo Yamasaki, Toshiyasu Tanaka, Kanji Wakabayashi 2012-03-06
8107346 Optical head device and optical information processing device Kousei Sano, Shin-ichi Kadowaki 2012-01-31
8094543 Information recording medium, reproducing apparatus and reproducing method Masahito Nakao, Yasumori Hino, Fumitomo Yamasaki, Kousei Sano 2012-01-10
8089850 Optical pickup, optical disc apparatus, integrated coupling lens, integrated prism, and optical information equipment Toshiyasu Tanaka, Fumitomo Yamasaki, Kanji Wakabayashi 2012-01-03
8081551 Optical recording medium, and optical information device Masahiko Tsukuda, Joji Anzai, Yasumori Hino 2011-12-20
8072870 Optical pickup and optical disc drive Toshiyasu Tanaka, Fumitomo Yamasaki, Kanji Wakabayashi 2011-12-06
8068402 Optical head, optical disc device, computer, optical disc player and optical disc recorder Fumitomo Yamasaki, Toshiyasu Tanaka, Yohichi Saitoh 2011-11-29
8068403 Optical head Takayuki Nagata, Joji Anzai, Hideki Aikoh, Eishin Mori, Kousei Sano +1 more 2011-11-29
8064296 Optical head, optical disc device and information recording and/or reproducing device Fumitomo Yamasaki, Toshiyasu Tanaka, Kanji Wakabayashi 2011-11-22
8054729 Optical recording medium, and optical information device Joji Anzai, Masahiko Tsukuda, Yasumori Hino 2011-11-08
8050168 Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle Fumitomo Yamasaki, Katsuhiko Hayashi 2011-11-01
RE42825 Optical pickup head device, information recording/reproducing apparatus, and method for recording information Shin-ichi Kadowaki, Kousei Sano 2011-10-11
8036093 Optical head device and recording/reproduction device Eishin Mori, Fumitomo Yamasaki 2011-10-11
8031574 Information recording medium, information supply system, and optical information device Fumitomo Yamasaki, Kanji Wakabayashi, Toshiyasu Tanaka 2011-10-04
8009526 Optical pickup device and collimate lens Kanji Wakabayashi, Fumitomo Yamasaki, Hironori Tomita 2011-08-30
8004952 Optical pickup, optical information device, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server Toshiyasu Tanaka, Kanji Wakabayashi, Fumitomo Yamasaki, Osamu Kajino 2011-08-23