HH

Hiroshi Hamasaka

Sumitomo Electric Industries: 40 patents #271 of 21,551Top 2%
PA Panasonic: 15 patents #1,528 of 21,108Top 8%
MC Mastsushita Electric Industrial Co.: 1 patents #1 of 26Top 4%
MC Matushita Electric Industrial Co.: 1 patents #3 of 106Top 3%
Overall (All Time): #43,392 of 4,157,543Top 2%
57
Patents All Time

Issued Patents All Time

Showing 26–50 of 57 patents

Patent #TitleCo-InventorsDate
6487364 OPTICAL DISC, VIDEO DATA EDITING APPARATUS, COMPUTER-READABLE RECORDING MEDIUM STORING AN EDITING PROGRAM, REPRODUCTION APPARATUS FOR THE OPTICAL DISC, AND COMPUTER-READABLE RECORDING MEDIUM STORING A REPRODUCTION PROGRAM Tomoyuki Okada, Kazuhiro Tsuga, Shinichi Saeki 2002-11-26
6421315 Multi-layered optical disk with shifted track and layer identification and method of detecting a track Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 2002-07-16
6341199 Apparatus, method, and recording medium implementing audio gap information for an audio presentation discontinuous period Tomoyuki Okada, Yoshihiro Mori, Kazuhiro Tsuga, Hideshi Ishihara, Kazuhiko Nakamura +1 more 2002-01-22
6263150 Video data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer-readable recording medium storing an editing program Tomoyuki Okada, Kazuhiro Tsuga, Shinichi Saeki 2001-07-17
6181870 Optical disc having an area storing original and user chain information specifying at least part of a video object stored on the disc, and a computer program and recording apparatus for recording and editing the chain information Tomoyuki Okada, Kazuhiro Tsuga, Shinichi Saeki 2001-01-30
6173113 Machine readable information recording medium having audio gap information stored therein for indicating a start time and duration of an audio presentation discontinuous period Tomoyuki Okada, Yoshihiro Mori, Kazuhiro Tsuga, Hideshi Ishihara, Kazuhiko Nakamura +1 more 2001-01-09
6148140 Video data editing apparatus, optical disc for use as a recording medium of a video data editing apparatus, and computer readable recording medium storing an editing program Tomoyuki Okada, Kazuhiro Tsuga, Shinichi Saeki 2000-11-14
5905845 Method disk and an apparatus for system encoding of bitstreams including plural system streams to be seamlessly reproduced Tomoyuki Okada, Yoshihiro Mori, Kazuhiro Tsuga, Hideshi Ishihara, Kazuhiko Nakamura +1 more 1999-05-18
5883878 Method of manufacturing a multilayered optical disc Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1999-03-16
5884004 Method and an optical disc for generating a bitstream containing a plurality of video objects including video and audio data Akihiro Sato, Kazuyoshi Horiike, Kazuhiro Tsuga, Takumi Hasebe, Yoshihiro Mori 1999-03-16
5870374 Multi-layer optical disc having a pair of substrates spaced by an adhesive material Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1999-02-09
5798995 Information recording medium and apparatus and method for recording and reproducing information Yoshihisa Fukushima, Masahiro Inagaki, Yasushi Azumatani 1998-08-25
5764620 Multi-layered optical disk with shifted track and layer identification and method of detecting a track Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1998-06-09
5642338 Information recording medium and apparatus and method for recording and reproducing information Yoshihisa Fukushima, Masahiro Inagaki, Yasushi Azumatani 1997-06-24
5596564 Information recording medium and apparatus and method for recording and reproducing information Yoshihisa Fukushima, Masahiro Inagaki, Yasushi Azumatani 1997-01-21
5568467 Information recording format having a plurality of bands with independent read and write control data Masahiro Inagaki, Yoshihisa Fukushima, Haruo Yamashita, Yasushi Azumatani 1996-10-22
5566350 Information device for providing fast data transfer with minimum overhead Yuji Takagi, Isao Satoh, Yoshihisa Fukushima, Yasushi Azumatani 1996-10-15
5485439 Method for recording/reproducing information and apparatus therefor Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1996-01-16
5475668 Method of producing file management structures, information reproduction apparatus and information reproducing method Yasushi Azumatani, Isao Satoh, Yoshihisa Fukushima, Yuji Takagi 1995-12-12
5457794 Information retrieval apparatus for searching target literature data from an information recording medium, including reuse of past retrieving results Yasushi Azumatani, Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yuji Hisakado 1995-10-10
5428597 Multi-layered optical disk with track and layer identification Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1995-06-27
5303225 Multi-layered optical disk with track and layer identification Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1994-04-12
5293566 Information recording and reproducing apparatus Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1994-03-08
5270877 Information recording medium and information recording and reproducing apparatus Yoshihisa Fukushima, Isao Satoh, Yuji Takagi, Yasushi Azumatani 1993-12-14
5253242 Double-sided optical disc player Isao Satoh, Yoshihisa Fukushima, Yuji Takagi, Yasushi Azumatani 1993-10-12