AI

Akio Ichikawa

AC Ando Electric Co.: 15 patents #6 of 301Top 2%
Sharp Kabushiki Kaisha: 4 patents #3,475 of 10,731Top 35%
NT NTT: 2 patents #2,095 of 4,871Top 45%
NC Nippon Paint Holdings Co.: 1 patents #415 of 834Top 50%
Overall (All Time): #224,129 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9064095 Content use control device, recording device, reproduction device, recording medium, and content use control method Yukitaka Shimizu, Ryoji Ohno 2015-06-23
8307448 Storage device, storage method, and image display device Yukitaka Shimizu, Ryoji Ohno 2012-11-06
8170399 Recording device and method Yukitaka Shimizu, Shinjiro Kihara 2012-05-01
8108314 Content use control device, recording device, reproduction device, recording medium, and content use control method Yukitaka Shimizu, Ryoji Ohno 2012-01-31
6693714 Position sensor for movable body and optical interferometer Fumio Akikuni, Eiichi Sano 2004-02-17
6690977 Data processor and data processing method for wavemeter Kenji Mogi 2004-02-10
6643603 Chromatic dispersion distribution measurement apparatus and method for the same Shoichi Aoki 2003-11-04
6593727 Data processor and data processing method for wavemeter Kenji Mogi 2003-07-15
6594005 Chromatic dispersion distribution measurement apparatus, method and storage medium for the same Shoichi Aoki 2003-07-15
6594019 Data processor and data processing method for wavemeter Kenji Mogi 2003-07-15
6580499 Chromatic dispersion distribution measurement apparatus and method for the same Shoichi Aoki 2003-06-17
6580500 Chromatic dispersion distribution measurement apparatus and method for the same Shoichi Aoki 2003-06-17
6570658 Optical part driving device incorporated into a detachable block and optical interferometer including same Fumio Akikuni, Eiichi Sano 2003-05-27
6504613 Optical interferometer with a casing and an optical part that is movable with respect to the casing Fumio Akikuni, Eiichi Sano 2003-01-07
6108465 Optical pulse generator Rikihiro Iida, Yoshihiro Kumagai, Yuka Asahina, Masataka Nakazawa, Eiji Yoshida 2000-08-22
6101021 Optical pulse generator Yoshihiro Kumagai, Rikihiro Iida, Masataka Nakazawa, Eiji Yoshida 2000-08-08
5383210 Optical phase locked loop circuit 1995-01-17
5191387 Polarization control system Toshiyuki Takeda, Satoshi Matsuura 1993-03-02
5159400 Apparatus for testing optical fiber by using detector having virtually broadened dynamic range Toshiyuki Takeda, Satoshi Matsuura 1992-10-27
4253930 Process for electrodepositing cationic compositions Yasuyuki Tsuchiya, Kastuyoshi Yamasoe 1981-03-03