MK

Mitsumasa Kubo

TE Teac: 24 patents #18 of 440Top 5%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #164,982 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8531931 Optical disk inspecting apparatus and method 2013-09-10
8435439 Method of production of cement bonded agglomerated ore Seita Uekawa, Syuji Majima 2013-05-07
8261097 Data recorder having data encryption function and data reproducing device Akira Shinohara 2012-09-04
8036075 Disk drive and information processing system having the same Yutaka Kobayashi 2011-10-11
8009537 Disk inspection apparatus Tsuyoshi Oyamatasu 2011-08-30
7050374 Optical disk apparatus Kiyoshi Fukuchi 2006-05-23
7050363 Optical disk device Yoshiyuki Otsuka 2006-05-23
6721248 Optical disk unit Tadao Yamanouchi, Yuichi Sakamoto, Yoshiyuki Ootsuka 2004-04-13
6687207 Optical recording apparatus for recording information on a write-once disk or an erasable optical disk Kiyoshi Fukuchi, Yoshiyuki Otsuka 2004-02-03
6313601 Speed control of a motor Masashi Tanaka 2001-11-06
6301212 Focusing and tracking servo circuit in an optical disk device Yoshiyuki Otsuka 2001-10-09
6236630 Method and apparatus for checking the quality of CD-ROMS or the like for reading them at matching speeds Yukihiko Okada 2001-05-22
6044052 Method and apparatus for high speed data recovery from CD-ROMs or like disks of varying qualities Yuichi Sakamoto, Masashi Tanaka 2000-03-28
5982725 Method and apparatus for checking the quality of CD-ROMs or the like for reading them at matching speeds Yukihiko Okada 1999-11-09
5963520 Method and apparatus for high speed data recovery from CD-ROMS or like disks or varying qualities Yuichi Sakamoto, Masashi Tanaka 1999-10-05
5862113 Method and apparatus for wobble-free data recovery from CD-rom or the like Hiroshi Tsuyuguchi 1999-01-19
5844872 Method and apparatus for high speed data recovery from CD-ROMS or like disks of varying qualities Yuichi Sakamoto, Masashi Tanaka 1998-12-01
5623468 Disk apparatus for detecting address marks from a recording disk having data recorded in a zoned constant angular velocity type system Naoto Takeda 1997-04-22
5602812 Reproducing rate control apparatus for optical disk Tohru Miura, Akira Mashimo 1997-02-11
5535183 Optical disk reproducing device and its seek operation method Tohru Miura, Akira Mashimo 1996-07-09
5521895 Optical disk reproducing apparatus for controlling the rotational speed of a spindle motor between a CLV control and a CAV control Tohru Miura, Akira Mashimo 1996-05-28
5278815 Digital data reproducing apparatus Akira Mashimo, Fumio Hishiyama, Masayoshi Shimamoto, Teruo Furukawa 1994-01-11
4916449 Wide dynamic range digital to analog conversion method and system Tetsuro Araki 1990-04-10
4845498 Wide dynamic range digital to analog conversion method and systems Tetsuro Araki 1989-07-04
4751496 Wide dynamic range analog to digital conversion method and system Tetsuro Araki 1988-06-14