AY

Akifumi Yamaguchi

Sharp Kabushiki Kaisha: 20 patents #789 of 10,731Top 8%
KS Kyocera Document Solutions: 14 patents #184 of 1,545Top 15%
KT Kabushiki Kaisha Toshiba: 4 patents #6,684 of 21,451Top 35%
AU Audio-Technica: 2 patents #83 of 180Top 50%
Disney: 1 patents #3,944 of 6,686Top 60%
Overall (All Time): #78,845 of 4,157,543Top 2%
40
Patents All Time

Issued Patents All Time

Showing 26–40 of 40 patents

Patent #TitleCo-InventorsDate
7995189 Optical distance measuring sensor and electronic device Masaru Kubo, Toshihiko Fukushima 2011-08-09
7986520 Electronic device Nobuto Fujiwara 2011-07-26
7760332 Optical range-finding sensor, object detection device, self-cleaning toilet seat, and method for manufacturing optical range-finding sensor 2010-07-20
7505121 Multi-beam optical range sensor and self-propelled cleaner and air-conditioner equipped with the same 2009-03-17
7330241 Optical distance measuring sensor, self-propelled cleaner, and air conditioner 2008-02-12
7119887 Optical distance measuring sensor and self-propelled cleaner Kazuhiro Mizuo, Shinya Kawanishi, Atsuo Fujikawa 2006-10-10
7109507 Optical object identifying device and printing apparatus 2006-09-19
7030402 Optical distance measuring device and printing apparatus using the same Hisakazu Sugiyama 2006-04-18
7012691 Optical moving information measuring apparatus and carrier system incorporating the same Hisakazu Sugiyama 2006-03-14
7005661 Optical object identification apparatus, and printing apparatus and object classification apparatus using same Hisakazu Sugiyama 2006-02-28
6947146 Optical object identification device and printing apparatus using the same Hisakazu Sugiyama 2005-09-20
6859266 Optical movement detecting device and transport system using the same Hisakazu Sugiyama 2005-02-22
6690457 Optical inclination sensor 2004-02-10
6674517 Optical motion detector, transport system and transport processing system Hisakazu Sugiyama 2004-01-06
5177357 Transmissive-type photo-interruptor with molded housing and crosstalk shielding Shigenori Kitanishi 1993-01-05