KW

Katsuya Watanabe

Sumitomo Electric Industries: 61 patents #110 of 21,551Top 1%
PA Panasonic: 37 patents #358 of 21,108Top 2%
HI Hitachi: 16 patents #2,438 of 28,497Top 9%
NI Nikon: 13 patents #314 of 2,493Top 15%
CC Cosmo Oil Co.: 3 patents #49 of 229Top 25%
PC Petroleum Energy Center: 3 patents #23 of 180Top 15%
UK Ushio Denki Kabushiki Kaisha: 2 patents #199 of 583Top 35%
MC Matsushit Electric Industrial Co.: 2 patents #3 of 293Top 2%
OP Optos Plc: 1 patents #32 of 83Top 40%
HG HGST: 1 patents #1,032 of 1,677Top 65%
PH Phc Holdings: 1 patents #122 of 211Top 60%
HH Hitachi High-Technologies: 1 patents #1,282 of 1,917Top 70%
Overall (All Time): #7,328 of 4,157,543Top 1%
138
Patents All Time

Issued Patents All Time

Showing 26–50 of 138 patents

Patent #TitleCo-InventorsDate
8000202 Apparatus for recording/reproducing information on/from an optical disc having focus control capabilities Shinichi Yamada, Kenji Fujiune, Yuichi Kuze 2011-08-16
7969844 Optical disc device Akira Yoshikawa, Eiji Ueda, Hiroshige Ishibashi, Yuuichi Kuze 2011-06-28
7957057 Microscope optical system, microscope, and virtual slide forming system Ichiro Sase 2011-06-07
7936645 Optical disc device Yuuichi Kuze 2011-05-03
7934802 Light irradiation device and inkjet printer Shigenori Nakata 2011-05-03
7921435 Optical disk drive Takahiro Sato 2011-04-05
7911907 Optical disc judgment method and optical disc device Hiroshige Ishibashi, Takashi Kishimoto, Rie Takahashi 2011-03-22
7889432 Immersion microscope objective lens Takayuki Morita 2011-02-15
7864638 Optical disk apparatus Akira Yoshikawa, Shin-ichi Yamada, Junichi Minamino 2011-01-04
7804753 Optical disk drive for discriminating types of optical disks Hiroshige Ishibashi, Takashi Kishimoto, Rie Takahashi 2010-09-28
7773484 Optical disc device and control circuit for optical disc device Takaharu Ai 2010-08-10
7768898 Multi-layer information storage medium and information apparatus Shinichi Kimura, Hiroshi Ueda 2010-08-03
7768745 Shock improvement ramp for load/unload mechanism and magnetic disk drive Takahisa Okada, Tomoki Hiramatsu, Kohji Takahashi 2010-08-03
RE41372 Optical disc apparatus Yuu Okada, Kenji Fujiune, Takeharu Yamamoto, Jun Kikuchi 2010-06-08
7719931 Optical disk device, loop gain setting method, and loop gain setting program Kenji Kondo, Shin-ichi Yamada, Kenji Fujiune 2010-05-18
7691774 Hydrogenation desulfurization isomerization catalyst, process for producing the same and method of desulfurization isomerization for sulfurous hydrocarbon oil Takao Kimura, Takahito Kawakami, Kouji Baba 2010-04-06
7680003 Optical disk device with disk type recognition Rie Takahashi 2010-03-16
7660209 Optical disk drive Junichi Minamino, Hiroshige Ishibashi, Takeshi Shimamoto 2010-02-09
7630113 Microscope optical system, microscope, and virtual slide forming system Ichiro Sase 2009-12-08
RE40946 Optical disk apparatus Mitsurou Moriya, Shin-ichi Yamada, Yasuaki Edahiro, Takeharu Yamamoto 2009-10-27
7606121 Optical disk drive with target focus control Yuuichi Kuze 2009-10-20
7586818 Optical disc apparatus and semiconductor device Kenji Fujiune, Yuuichi Kuze 2009-09-08
7539089 Optical disc device Yuuichi Kuze, Kenji Fujiune, Takashi Kishimoto, Shin-ichi Yamada, Akihiro Yasuda +2 more 2009-05-26
7522485 Method for adjusting focus or tracking detection unit, and optical disc device Tooru Maruyama 2009-04-21
7511313 Ultraviolet ray emitting element package Shigenori Nakata 2009-03-31