HH

Hideaki Hirai

Ricoh Company: 54 patents #183 of 9,818Top 2%
RC Ricoh Optical Industries Co.: 2 patents #3 of 28Top 15%
Overall (All Time): #47,726 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 1–25 of 54 patents

Patent #TitleCo-InventorsDate
9616852 Image processing apparatus, image-capturing method, and vehicle Ryosuke Kasahara 2017-04-11
9519841 Attached matter detector and vehicle equipment control apparatus Taroh Sawaki, Ryosuke Kasahara, Hiroyoshi Sekiguchi 2016-12-13
9344691 Imaging device, object detecting apparatus, optical filter, and manufacturing method of optical filter Yasuhiro Sato 2016-05-17
9317754 Object identifying apparatus, moving body control apparatus, and information providing apparatus Shin Aoki, Masanori Kobayashi, Xue Li, Ryosuke Kasahara 2016-04-19
9215427 Attached matter detector and in-vehicle device controller using the same Izumi Itoh, Masanori Kobayashi 2015-12-15
9187063 Detection apparatus and method Izumi Itoh 2015-11-17
9080986 Transparent object detection system and transparent flat plate detection system Shin Aoki, Masanori Kobayashi, Xue Li 2015-07-14
9057683 Image pickup unit and vehicle in which image pickup unit is mounted Izumi Itoh 2015-06-16
9025027 Object identification device, moving object controlling apparatus having object identification device, information presenting apparatus having object identification device, and spectroscopic image capturing apparatus Li Xue 2015-05-05
8941835 Foreign substance detection device, moving body control system including foreign substance detection device, and moving body including moving body control system Izumi Itoh 2015-01-27
8908038 Vehicle detection device and vehicle detection method Xue Li 2014-12-09
8842211 Imaging element and imaging apparatus that extract light of a specific wavelength Ryosuke Kasahara 2014-09-23
8830585 Optical element, polarization filter, optical isolator, and optical apparatus Toshimichi Nasukawa, Kazuhiro Umeki 2014-09-09
8831286 Object identification device Xue Li 2014-09-09
8760501 Stereo camera apparatus and vehicle-mountable monitoring apparatus using same Shigeru Oohchida, Shin Aoki, Masahiro Fujimoto, Yasufumi Yamada, Nobuhiro Morita 2014-06-24
8593631 Spectral image acquiring apparatus Masanori Kobayashi 2013-11-26
8466960 Liquid droplet recognition apparatus, raindrop recognition apparatus, and on-vehicle monitoring apparatus Masanori Kobayashi, Shin Aoki, Shigeru Oouchida 2013-06-18
8379084 Image pickup 2013-02-19
8351118 Polarization splitting device, method of manufacturing polarization beam splitter, optical scanning device, and image forming apparatus Toshiaki Tokita, Seizo Suzuki 2013-01-08
8320226 Optical element having three or more sub-wavelength convexo-concave structures 2012-11-27
8269956 Optical element, refractive index sensor, refractive index sensor array, and biosensor Tsuyoshi Hashiguchi 2012-09-18
8259555 Optical pickup and optical information processing device Yukiko Hamano, Toshimichi Nasukawa, Kazuhiro Umeki 2012-09-04
8213083 Wavelength selection filter, filter unit, light source device, optical apparatus, and refractive index sensor Masahiro Fujimoto, Manabu Seo 2012-07-03
8178010 Optical device and method of producing the same Kazuhiro Umeki 2012-05-15
8154977 Reflecting wavelength plate and optical pickup using reflecting wavelength plate Kazuhiro Umeki, Toshimichi Nasukawa 2012-04-10