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 1–25 of 138 patents

Patent #TitleCo-InventorsDate
12313826 Optical system, optical apparatus and method for manufacturing the optical system, and zoom optical system, optical apparatus and method for manufacturing the zoom optical system Masashi Yamashita, Tomoki Ito, Tomonori Kuribayashi, Keigo Koida, Satoshi Miwa +3 more 2025-05-27
12222478 Optical system, optical apparatus and method for manufacturing the optical system Masashi Yamashita, Tomoki Ito, Tomonori Kuribayashi, Keigo Koida, Satoshi Miwa +3 more 2025-02-11
12061324 Optical system, optical apparatus and method for manufacturing the optical system Masashi Yamashita, Tomoki Ito, Tomonori Kuribayashi, Keigo Koida, Satoshi Miwa +3 more 2024-08-13
12059210 Ophthalmic optical system, ophthalmic objective lens, and ophthalmic device Gonzalo Muyo, Alistair Gorman, David M. Williamson, Makoto Fujimoto, Yasufumi NISHI +4 more 2024-08-13
11782253 Objective lens, optical system, and microscope Azuna NONAKA 2023-10-10
10697988 Container management apparatus and wireless tag Ryoichi Imanaka 2020-06-30
9861966 Catalytic cracking catalyst, process for producing the same, and method of catalytic cracking of hydrocarbon oil 2018-01-09
9774771 Preparation, transparent plate, method for producing preparation, slide glass, imaging apparatus, imaging method, preparation producing apparatus, and preparation component set Hideto Motomura, Hiroyuki Mori, Hiroshi Matsumoto, Kiminori Mizuuchi, Naoki Matsubara 2017-09-26
8665689 Multi-layer optical disc and optical disc apparatus Shinichi Yamamoto 2014-03-04
8659984 Medical-data management device Ikuo Honda, Kazuko Uehara, Tomonori Ohmasa 2014-02-25
8611198 Method for identifying group of multilayer disc, and optical disc device Shinichi Yamamoto 2013-12-17
8582403 Optical disc apparatus and method of making layer-to-layer jump in multilayer optical disc Shinichi Yamamoto 2013-11-12
8352521 File system managing method and recording medium Akiyoshi Yamashita 2013-01-08
8284642 Optical disk apparatus Shinichi Yamamoto 2012-10-09
8274870 Optical disk, optical disk device, optical disk defect registering method, optical disk recording method, and optical disk reproducing method Shinichi Yamamoto 2012-09-25
8174943 Optical disk device Shinichi Yamamoto 2012-05-08
8164998 Optical disc device Yuuichi Kuze, Akira Yoshikawa 2012-04-24
8149666 Optical disc apparatus Shinichi Yamamoto 2012-04-03
8149671 Optical disc and optical disc device Takahiro Sato, Takeshi Shimamoto 2012-04-03
RE43179 Optical disk drive for discriminating types of optical disks Hiroshige Ishibashi, Takashi Kishimoto, Rie Takahashi 2012-02-14
8098556 Optical disc device Yuuichi Kuze, Shinichi Yamada 2012-01-17
8098427 Microscopic insemination viewing method Kumiko Matsui 2012-01-17
8072852 Optical disc device Junichi Minamino, Akira Yoshikawa 2011-12-06
8036078 Optical disc apparatus and optical pickup Shinichi Yamamoto 2011-10-11
8031570 Optical disk unit and driving method therefor Rie Takahashi, Takashi Kishimoto, Hiroshige Ishibashi 2011-10-04