KH

Kazuhiro Harasaka

Ricoh Company: 24 patents #864 of 9,818Top 9%
📍 Rifu, JP: #131 of 2,101 inventorsTop 7%
Overall (All Time): #170,543 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
12046872 Surface emitting laser, surface emitting laser device, light source device, and detection apparatus Kazuma IZUMIYA, Naoto Jikutani, Ryoichiro Suzuki 2024-07-23
9831633 Surface-emitting laser module, optical scanner device, and image forming apparatus Toshihiro Ishii, Satoru Sugawara, Yoshihiro Ohba, Shunichi Sato, Kazuhiko Adachi 2017-11-28
9276377 Surface-emitting laser module, optical scanner device, and image forming apparatus Toshihiro Ishii, Satoru Sugawara, Yoshihiro Ohba, Shunichi Sato, Kazuhiko Adachi 2016-03-01
9201404 Alkali metal cell, atomic oscillator, and alkali metal cell fabricating method Kazuhiko Adachi, Hiroyoshi Shouji, Akihiro Itoh, Shunichi Sato, Shinji Satoh 2015-12-01
9176417 Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device Shunichi Sato, Masahiro Hayashi, Akihiro Itoh, Katsunari Hanaoka 2015-11-03
9112518 Heater substrate, alkali metal cell unit and atomic oscillator Kazuhiko Adachi, Shunichi Sato 2015-08-18
9046808 Surface emitting laser array and image forming apparatus Kazuma IZUMIYA 2015-06-02
8958449 Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatus Shunichi Sato, Naoto Jikutani 2015-02-17
8937982 Surface-emitting laser element, surface-emitting laser array, optical scanning apparatus, image forming apparatus, and method of manufacturing surface-emitting laser element Yasuhiro Higashi 2015-01-20
8916418 Surface-emitting laser module, optical scanner device, and image forming apparatus Toshihiro Ishii, Satoru Sugawara, Yoshihiro Ohba, Shunichi Sato, Kazuhiko Adachi 2014-12-23
8855159 Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatus Shunichi Sato, Naoto Jikutani 2014-10-07
8809089 Method of manufacturing surface emitting laser, and surface emitting laser, surface emitting laser array, optical scanning device and image forming apparatus Hiroyoshi Shouji, Shunichi Sato, Akihiro Itoh 2014-08-19
8774242 Surface emitting laser diode, optical scanning apparatus and image forming apparatus Akihiro Itoh, Shunichi Sato, Naoto Jikutani 2014-07-08
8736652 Surface-emitting laser device, surface-emitting laser array, optical scanner, image forming apparatus, and method for manufacturing surface-emitting laser device Shunichi Sato, Masahiro Hayashi, Akihiro Itoh, Katsunari Hanaoka 2014-05-27
8675271 Surface-emitting laser element, surface-emitting laser array, optical scanner device, and image forming apparatus Naoto Jikutani, Satoru Sugawara, Shunichi Sato 2014-03-18
8649409 Surface-emitting laser device, optical scanner device, and image forming apparatus Toshihide Sasaki 2014-02-11
8649407 Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatus Shunichi Sato, Naoto Jikutani 2014-02-11
8624950 Surface-emitting laser comprising emission region having peripheral portion with anisotropy in two perpendicular directions, and surface-emitting laser array, optical scanning apparatus and image forming apparatus including the same Naoto Jikutani, Satoru Sugawara, Shunichi Sato 2014-01-07
8609447 Method of manufacturing surface emitting laser, and surface emitting laser, surface emitting laser array, optical scanning device and image forming apparatus Hiroyoshi Shouji, Shunichi Sato, Akihiro Itoh 2013-12-17
8483254 Surface-emitting laser device, surface-emitting laser array, optical scanning apparatus and image forming apparatus Shunichi Sato, Naoto Jikutani 2013-07-09
8441511 Surface-emitting laser element including dielectric film selectively provided to control reflectance in emission region, surface-emitting laser array, optical scanner device, and image forming apparatus Shunichi Sato, Naoto Jikutani, Satoru Sugawara 2013-05-14
8111725 Surface-emitting laser, surface-emitting laser array, optical scanning device, and image forming apparatus Toshihiro Ishii, Kengo Makita, Naoto Jikutani, Shunichi Sato, Satoru Sugawara 2012-02-07
8035676 Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatus Shunichi Sato, Naoto Jikutani, Toshihiro Ishii 2011-10-11
7978739 Surface emitting laser element, surface emitting laser array, optical scanning device, and image forming apparatus Satoru Sugawara, Toshihiro Ishii, Shunichi Sato 2011-07-12