JA

Jun Ashiwa

Canon: 15 patents #4,433 of 19,416Top 25%
OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Overall (All Time): #279,079 of 4,157,543Top 7%
17
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7330321 Reference magnetic signal recording device and method of manufacturing the same 2008-02-12
6923522 Recording apparatus and recording method Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Makoto Shioya +2 more 2005-08-02
6513906 Recording apparatus and recording method Hideki Tanaka, Yasuyuki Tamura, Hiroto Takahashi, Shinji Takagi, Makoto Shioya +2 more 2003-02-04
6260939 Tone recording method using ink jet recording head that records pixels using a plurality of liquid droplets Makoto Shioya, Yasuyuki Tamura, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto +2 more 2001-07-17
6043622 Motor drive controller Hiroyuki Shiomi, Naoki Kawamata 2000-03-28
5930066 Information recording apparatus Kou Ishizuka, Hidejiro Kadowaki, Naoki Kawamata, Hiroyuki Hagiwara 1999-07-27
5812250 Doppler velocimeter and various kinds of apparatuses for signal processing thereof Yasuhiko Ishida, Hidejiro Kadowaki, Makoto Takamiya, Shigeki Kato, Shinji Ueda 1998-09-22
5777640 Liquid jet recording method using plural scanning nozzles and including first main scan, sub-scan, and second main-scan steps for recording pixels in tone Makoto Shioya, Yasuyuki Tamura, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto +2 more 1998-07-07
5696578 Frequency tracking method and apparatus, and Doppler velocity meter using the same Yasuhiko Ishida, Hidejiro Kadowaki, Makoto Takamiya, Shigeki Kato, Shinji Ueda 1997-12-09
5552879 Doppler velocimeter Makoto Takamiya, Hidejiro Kadowaki, Yasuhiko Ishida, Shigeki Kato, Shinji Ueda 1996-09-03
5517222 Ink jet recording apparatus having rotary drum with ink receptor Hiroshi Sugiyama, Kousuke Yamamoto, Yoshitaka Okamura 1996-05-14
5502466 Doppler velocimeter and position information detection apparatus for use with objects having variations in surface depth Shigeki Kato, Hidejiro Kadowaki, Yasuhiko Ishida, Makoto Takamiya, Shinji Ueda 1996-03-26
5483332 Displacement information detecting apparatus and doppler velocimeter apparatus Makoto Takamiya, Hidejiro Kadowaki, Yasuhiko Ishida 1996-01-09
5430469 Tone recording method using ink recording head Makoto Shioya, Yasuyuki Tamura, Hiroto Takahashi, Masayoshi Tachihara, Tadashi Yamamoto +2 more 1995-07-04
5384587 Multi-drop ink-jet recording method with compensation for image density non-uniformities Shinji Takagi, Hideki Tanaka, Tatsuo Kimura 1995-01-24
4283697 High frequency filter Yoshio Masuda, Atsushi Fukasawa, Takuro Sato 1981-08-11
4255729 High frequency filter Atsushi Fukasawa, Takuro Sato 1981-03-10