KY

Keitaro Yamashita

HI Hitachi: 37 patents #587 of 28,497Top 3%
SO Sony: 25 patents #1,512 of 25,231Top 6%
Apple: 13 patents #2,501 of 18,612Top 15%
EC Everdisplay Optronics (Shanghai) Co.: 12 patents #1 of 151Top 1%
CI Chimei Innolux: 8 patents #23 of 654Top 4%
IN Innolux: 8 patents #171 of 1,038Top 20%
TL Tpo Hong Kong Holding Limited: 5 patents #1 of 61Top 2%
KS Kentek Information Systems: 3 patents #3 of 12Top 25%
IC Innocom Technology (Shenzhen) Co.: 3 patents #44 of 288Top 20%
HK Hitachi Metals Kiko: 3 patents #1 of 9Top 15%
TD Tpo Displays: 2 patents #58 of 235Top 25%
HM Hitachi Metal: 1 patents #1 of 21Top 5%
Canon: 1 patents #14,899 of 19,416Top 80%
TC Tokyo Aircraft Instrument Co.: 1 patents #5 of 30Top 20%
📍 Xihu, CA: #1 of 11 inventorsTop 10%
Overall (All Time): #10,513 of 4,157,543Top 1%
117
Patents All Time

Issued Patents All Time

Showing 51–75 of 117 patents

Patent #TitleCo-InventorsDate
7382176 Charge pump circuit John R. A. Ayres 2008-06-03
7177528 Disk drive apparatus, and data processing method for use with disk drive apparatus Hiroaki Yada 2007-02-13
6590937 Efficient motion vector detection Eiji Ogura, Masatoshi Takashima 2003-07-08
RE37834 Magnetic roll and method of producing same 2002-09-10
6421519 Magnet roll having an anisotropic bonded magnet portion containing rare earth-iron-nitrogen magnet powder Masahiro Tobise 2002-07-16
6411457 Recording/reproducing method and recording/reproducing apparatus Kanzo Okada, Shunji Okada, Masayuki Nakayama, Minoru Watanabe 2002-06-25
6215609 Recording/reproducing method and recording/reproducing apparatus Kanzo Okada, Shunji Okada, Masayuki Nakayama, Minoru Watanabe 2001-04-10
6201942 Developer-carrying member, and developing device and image forming apparatus including the member Takao Honda, Nobuaki Hara, Hatsuo Tajima, Tsuyoshi Watanabe, Hiromi Kashiwagi 2001-03-13
6057995 Disc cartridge with aperture for access to disc provided with shutter arranged for minimizing overall size of cartridge Tomihiro Nakagawa, Sakae Imaizumi, Keisuke Tejima 2000-05-02
5963702 Device and method for recording broadcast signal 1999-10-05
5897246 Magnet roll and developing method using the same 1999-04-27
5761180 Signal processing for selective temporal data recording and reproduction Noboru Murabayashi 1998-06-02
5668519 Magnet roll and method of producing same 1997-09-16
5659861 Method of developing electrostatic latent image Masumi Asanae, Masahisa Ochiai, Toshihiro Noshiro 1997-08-19
5649362 Permanent magnet member and method of producing same Mikio Yamamoto, Katsunobu Kiriyama 1997-07-22
5608502 Method for treating magnet roll by blasting with nonmagnetic spherical particles Takeshi Satoh 1997-03-04
5583473 Magnet roll and method of producing same 1996-12-10
5539368 Magnet roll and method of producing same 1996-07-23
5537216 Circuit for including a copy-inhibit signal with a video signal Masatoshi Kawano 1996-07-16
5523853 Circuit for including a copy-inhibit signal with a video signal Masatoshi Kawano 1996-06-04
5510900 Video signal recording apparatus with rerecording inhibit circuit Yoshiki Shirochi 1996-04-23
5498837 Sleeve for developing roll member 1996-03-12
5488341 Permanent magnet member and method of producing same Mikio Yamamoto, Katsunobu Kiriyama 1996-01-30
5381275 Apparatus and method for recording digital data with a controlled data compression ratio Hajime Nitta, Masatoshi Takashima, Takehiko Saito, Tomihiro Nakagawa 1995-01-10
5359477 Recording and/or reproducing apparatus having a cassette loading apparatus Hiroshi Fujii 1994-10-25