YH

Yoshihiko Hayashi

HI Hitachi: 19 patents #1,906 of 28,497Top 7%
HC Hitachi Electronics Engineering Co.: 4 patents #10 of 175Top 6%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
KT Kabushiki Kaisha Toshiba: 3 patents #8,011 of 21,451Top 40%
MP Maxim Integrated Products: 3 patents #264 of 945Top 30%
HC Hitachi High-Tech Electronics Engineering Co.: 2 patents #8 of 59Top 15%
NL Nippon Sheet Glass Company, Limited: 2 patents #332 of 836Top 40%
Samsung: 2 patents #37,631 of 75,807Top 50%
KE Kokusai Electric: 2 patents #237 of 583Top 45%
TW The Japan Steel Works: 2 patents #158 of 643Top 25%
Caterpillar: 2 patents #2,982 of 8,398Top 40%
IC Ibiden Co.: 1 patents #451 of 730Top 65%
OJ Opnext Japan: 1 patents #100 of 185Top 55%
SI Sumitomo Metal Industries: 1 patents #630 of 1,462Top 45%
Overall (All Time): #69,457 of 4,157,543Top 2%
43
Patents All Time

Issued Patents All Time

Showing 26–43 of 43 patents

Patent #TitleCo-InventorsDate
6449012 Scanning type image pick-up apparatus and a scanning type laser beam receive apparatus Keizo Fujibayashi, Naoki Hosaka, Tetsuo Sado 2002-09-10
6427065 Power transmission system, IC card and information communication system using IC card Takashi Suga, Ryouzou Yoshino, Kenji Nagai 2002-07-30
6424201 Diode element circuit and switch circuit using the same Keiichi Yamamoto, Akio Oosaki 2002-07-23
6321067 Power transmission system IC card and information communication system using IC card Takashi Suga, Ryouzou Yoshino, Kenji Nagai 2001-11-20
6275023 Semiconductor device tester and method for testing semiconductor device Akio Oosaki 2001-08-14
6194993 Reader and/or writer apparatus, power feeding system, and communication system Takashi Suga, Kouichi Uesaka, Ryouzou Yoshino, Keisuke Igarashi 2001-02-27
6176433 Reader/writer having coil arrangements to restrain electromagnetic field intensity at a distance Kouichi Uesaka, Takashi Suga, Masami Makuuchi, Ryozo Yoshino 2001-01-23
6164532 Power transmission system, power transmission/communication system and reader and/or writer Takashi Suga, Kouichi Uesaka, Masami Makuuchi, Ryozo Yoshino 2000-12-26
5949823 Data communication system and radio IC card system Takashi Suga, Ryouzou Yoshino, Kenji Nagai 1999-09-07
5541553 Amplifier with a function for switching on and off the output signal Norio Chujo, Akio Osaki 1996-07-30
5438259 Digital circuitry apparatus Ritsuro Orihashi, Kosuke Kendo 1995-08-01
5406198 Digital circuitry apparatus Ritsuro Orihashi, Kosuke Kendo 1995-04-11
5153883 Distributed timing signal generator Takashi Suga 1992-10-06
5078776 Air bed conveying system Masuhide Kajii 1992-01-07
4973129 Optical fiber element Takashi Fukuzawa, Takashi Kishimoto, Yoichi Furuse, Sadao Kuzuwa 1990-11-27
4855970 Time interval measurement apparatus Ritsuro Orihashi 1989-08-08
4788684 Memory test apparatus Ikuo Kawaguchi 1988-11-29
4651334 Variable-ratio frequency divider 1987-03-17