YH

Yuji Hirai

HC Honda Tsushin Kogyo Co.: 25 patents #1 of 84Top 2%
Sumitomo Electric Industries: 11 patents #2,408 of 21,551Top 15%
OL Olympus: 11 patents #398 of 3,097Top 15%
OS Olympus Medical Systems: 2 patents #325 of 833Top 40%
HI Hitachi: 2 patents #13,388 of 28,497Top 50%
TU Tohoku University: 1 patents #615 of 1,680Top 40%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
Overall (All Time): #49,099 of 4,157,543Top 2%
53
Patents All Time

Issued Patents All Time

Showing 26–50 of 53 patents

Patent #TitleCo-InventorsDate
D416886 Compact flash card Yutaka Ohtani 1999-11-23
D416885 Lower metal cover for compact flash card Yutaka Ohtani 1999-11-23
D416541 Connector receptacle for compact flash card Kinzo Narumo, Takeshi Sato 1999-11-16
D414467 Double jack male type connector Hidenori Aizawa 1999-09-28
5934941 Card bus connector and a method of mounting the same on an associated printed circuit board Kenichi Yotsutani 1999-08-10
D410896 Electric connector Kenichi Yotsutani 1999-06-15
D409148 Electric connector Kenichi Yotsutani 1999-05-04
D398584 Interface connector Yoshikazu Katoh 1998-09-22
5729109 Navigation system and intersection guidance method Shigehiko Kaneko, Akitoshi Aritaka 1998-03-17
5715301 In-house communication system for transmitting and receiving both voice and digital data, and communication terminals used in this system Kimitoshi Terasaki, Ryoichi Egasira, Hiroshi Watanabe 1998-02-03
5636999 Surface mounting type of connector for IC cards Kiyoshi Sato 1997-06-10
5634809 Connector with lock mechanism 1997-06-03
5547397 PC card connector and PC card 1996-08-20
5545052 Electrical connector 1996-08-13
5506895 Telephone apparatus with automatic dialing function Hiroatsu Ueno 1996-04-09
5493477 IC card device 1996-02-20
5490205 Telephone set for handling a call Takashi Kondo 1996-02-06
5446785 Telephone terminal equipment in which telephone numbers of callers are displayed 1995-08-29
5392138 Facsimile apparatus Nobuhiro Ootsuka, Shigehiko Kaneko 1995-02-21
5340329 Connector combination 1994-08-23
5321741 Facsimile apparatus for determining communication failure Shigehiko Kaneko 1994-06-14
5309502 Radio telephone having a cordless or cellular only mode and a cordless/cellular mode 1994-05-03
5249983 Electrical connector for printed wiring board 1993-10-05
5228873 Metallic-shell-equipped electrical connector 1993-07-20
5027431 Radio communication apparatus Takakazu Tanaka 1991-06-25