YH

Yoichi Hayashi

Fujitsu Limited: 17 patents #1,701 of 24,456Top 7%
HC Hitachi Engineering Co.: 2 patents #103 of 572Top 20%
FU Fujifilm: 1 patents #3,076 of 4,519Top 70%
NA Namco: 1 patents #89 of 269Top 35%
RE Renesas Electronics: 1 patents #2,739 of 4,529Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
Overall (All Time): #185,827 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
8179524 Hard disk inspection apparatus Shinichiro Okada 2012-05-15
7986121 Inverter apparatus and a semiconductor device used for the same Tetsuya Fukumoto 2011-07-26
7742364 Timepiece display apparatus, movement, and timepiece Imao Hiraga, Shigeyuki Fujimori, Kenichi Okuhara 2010-06-22
7190466 Inspection device of a tape reel 2007-03-13
7004421 Inspection device of winding appearance of tape and improvement processing method for the same Nobuyuki Tada 2006-02-28
6854683 Tape winder Akihisa Kita, Kyohisa UCHIUMI 2005-02-15
6805761 Magnetic disc cartridge, method of manufacturing the same and method of cleaning liners of the same Shinichi Kato, Akira Mizuta 2004-10-19
6655625 Magnetic tape cartridge 2003-12-02
6519827 Method and apparatus for assembling magnetic tape cartridge Akira Mizuta 2003-02-18
6488223 Magnetic tape cartridge 2002-12-03
6424491 Magnetic tape cartridge having a lower reel recess which is labyrinth-engaged with a stopper ring barrier 2002-07-23
6349015 Magnetic tape cartridge 2002-02-19
6152350 Ultrasonic welding device and method, and a magnetic tape cartridge reel welding device and method Shinji Watanabe 2000-11-28
5718632 Recording medium, method of loading games program code means, and games machine 1998-02-17
5674446 Method for extracting molded product from injection molding die Iwao Komaki 1997-10-07
5417914 Method for extracting molded product from injection molding die Iwao Komaki 1995-05-23
5382156 Apparatus for extracting injection-molded product 1995-01-17
5364583 Method and device for removing an injection-molded piece from a mold 1994-11-15
5301258 Fuzzy backward reasoning system and expert system utilizing the same 1994-04-05
5263123 Fuzzy backward reasoning system and expert system utilizing the same 1993-11-16
5231622 Method of and system for cleaning a floppy disk with an ionizing needle 1993-07-27
5138512 System for checking the opening and closing of a cassette lid 1992-08-11
5073951 Method of inspecting an adhesive to fasten a center hub to a magnetic disk 1991-12-17