KF

Kazuhiro Fujita

Ricoh Company: 102 patents #36 of 9,818Top 1%
SC Screen Holdings Co.: 13 patents #44 of 686Top 7%
Sumitomo Electric Industries: 8 patents #3,473 of 21,551Top 20%
TK Toda Kogyo: 5 patents #80 of 328Top 25%
AD Advantest: 3 patents #330 of 1,193Top 30%
SI Seiko Instruments: 3 patents #474 of 1,437Top 35%
CK Ckd: 3 patents #72 of 332Top 25%
PA Panasonic: 2 patents #9,678 of 21,108Top 50%
AC Asmo Co.: 2 patents #218 of 745Top 30%
HM Hitachi Maxell: 2 patents #441 of 1,211Top 40%
SC Shinko Electric Industries Co.: 2 patents #315 of 723Top 45%
Yamaha: 2 patents #899 of 2,001Top 45%
KP Kanzaki Specialty Papers: 1 patents #5 of 10Top 50%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
SE Seiko Epson: 1 patents #5,551 of 7,774Top 75%
📍 Kyoto, MA: #1 of 8 inventorsTop 15%
Overall (All Time): #6,198 of 4,157,543Top 1%
150
Patents All Time

Issued Patents All Time

Showing 51–75 of 150 patents

Patent #TitleCo-InventorsDate
9880454 Light source device and projector using the same Tatsuya Takahashi, Toshiharu Murai, Takehiro Nishimori 2018-01-30
9863759 Illumination apparatus, pattern irradiation device, and system Tatsuya Takahashi, Toshiharu Murai, Takehiro Nishimori, Takahiro Kado, Jun Kishiwada 2018-01-09
9857672 Light source unit, lighting apparatus and image projection apparatus Tatsuya Takahashi, Takanobu Osaka, Naoki Nakamura, Takehiro Nishimori 2018-01-02
9780032 Wiring substrate Tomoo Yamasaki 2017-10-03
9746755 Light source device and image projector including the same Takehiro Nishimori, Toshiharu Murai, Tatsuya Takahashi, Takahiro Kado 2017-08-29
9726966 Light source device and projector using the same Ikuo Maeda, Toshiharu Murai, Tatsuya Takahashi, Takehiro Nishimori 2017-08-08
9625692 Projection optical system and image projecting apparatus Tatsuya Takahashi, Issei Abe 2017-04-18
D782612 Electromagnetic valve Shinya Sato 2017-03-28
D782613 Electromagnetic valve Shinya Sato 2017-03-28
9594296 Illumination device including a wavelength converter Tatsuya Takahashi, Toshiharu Murai, Ikuo Maeda, Takehiro Nishimori 2017-03-14
D780295 Electromagnetic valve Shinya Sato 2017-02-28
9557631 Light source unit and image projection apparatus including light source unit Takehiro Nishimori, Toshiharu Murai, Ikuo Maeda, Tatsuya Takahashi 2017-01-31
9442352 Light source device including passage forming member and image projecting apparatus having the same Takehiro Nishimori, Toshiharu Murai, Tatsuya Takahashi 2016-09-13
9417511 Lighting device, projector including the same, and lighting method Tatsuya Takahashi, Issei Abe 2016-08-16
9400416 Illumination light source device including a reflecting-transmitting element, projection device including the illumination light source device and method to control the projection device Tatsuya Takahashi, Toshiharu Murai, Ikuo Maeda, Takehiro Nishimori 2016-07-26
9354498 Light source unit, lighting apparatus and image projection apparatus Tatsuya Takahashi, Takanobu Osaka, Naoki Nakamura, Takehiro Nishimori 2016-05-31
9348200 Light source unit and projector incorporating the same Tatsuya Takahashi, Toshiharu Murai, Takehiro Nishimori, Ikuo Maeda 2016-05-24
9279566 Light deflector, light source device, image projecting device, and display device Takehiro Nishimori, Toshiharu Murai, Ikuo Maeda, Tatsuya Takahashi 2016-03-08
9250504 Light source unit and image projection apparatus including light source unit Takehiro Nishimori, Toshiharu Murai, Ikuo Maeda, Tatsuya Takahashi 2016-02-02
9250506 Illumination light source device and projector provided with the same, and control method of the projector Tatsuya Takahashi 2016-02-02
9223194 Illumination light beam forming device, illumination light source device and image display device Ikuo Maeda, Toshiharu Murai, Tatsuya Takahashi, Takehiro Nishimori 2015-12-29
9185372 Illumination apparatus and projection apparatus having a light guiding unit which guides light to a fluorescent material Tatsuya Takahashi 2015-11-10
RE45728 Projection optical system, magnification projection optical system, magnification projection apparatus, and image projection apparatus Atsushi Takaura, Nobuo Sakuma 2015-10-06
9131165 Illumination light source system, projector having the same, and method of controlling projector Tatsuya Takahashi, Toshiharu Murai, Ikuo Maeda, Takehiro Nishimori 2015-09-08
9121570 Illumination light generation apparatus Takehiro Nishimori, Toshiharu Murai, Ikuo Maeda, Tatsuya Takahashi 2015-09-01