MC

Masahiko Chaya

Canon: 16 patents #4,160 of 19,416Top 25%
SO Sony: 4 patents #8,966 of 25,231Top 40%
Overall (All Time): #225,029 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
8272795 Cartridge and printer Minoru Tanabe, Etsuro Suzuki, Kenji Ito 2012-09-25
6737190 Electronic apparatus 2004-05-18
5979755 Auto-changer 1999-11-09
5872766 Device for adjusting the preload of a plate spring for an optical pickup apparatus 1999-02-16
5818666 Linear drive motor apparatus for adjusting the relative position between and second yokes of a pair of magnetic circuits 1998-10-06
5731929 Disk recording/reproduction apparatus with disk clamp mechanism comprising a caddie holding a first disk and a spindle centering a second disk 1998-03-24
5625607 Magneto-optical disk apparatus including two magnetic field applying devices, one of which has a substantial ring-shaped core member with a gap in a portion thereof 1997-04-29
5604719 Magnetooptical information recording/reproducing method and apparatus employing a floating slider supporting a magnetic head Hiroaki Kakimoto, Nobuaki Date, Yoshikazu Miyajima 1997-02-18
5594708 Magnetooptical disc apparatus with magnetic head 1997-01-14
5590095 Magneto-optical disk apparatus with floating type magnetic head and a device for limiting an amount of deflection of a resilient member supporting the magnetic head 1996-12-31
5485434 Magneto-optical disk apparatus for recording and/or reproducing information using modulated and constant magnetic field applying devices 1996-01-16
5361242 External magnetic field application device including a heat dissipation member and a metal plate for dissipating heat Toru Takahashi 1994-11-01
5305151 Objective lens driver Hiroaki Kakimoto 1994-04-19
5268784 Pivotable mirror device for tracking 1993-12-07
5208793 Optical disk apparatus including a braking device for frictionally suppressing movement of an optical head carriage 1993-05-04
5161146 Disc cleaning device Naoki Imokawa 1992-11-03
5157650 Optical recording apparatus Tadashi Ozue, Tatsuya Narahara 1992-10-20
5138603 System and method for processing optical information with tracking error compensated Tatsuya Narahara 1992-08-11
5128919 Apparatus for reproducing an optically recorded information Tatsuya Narahara 1992-07-07
5046061 Optical light beam scanner with zero order beam reflector Tatsuya Narahara 1991-09-03