Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
YK

Yasuhiro Koike — 106 Patents

UNUnknown: 20 patents #199 of 83,584Top 1%
TIToyota Industries: 15 patents #128 of 1,610Top 8%
KUKeio University: 11 patents #3 of 781Top 1%
SCSanyo Electric Co.: 10 patents #506 of 6,347Top 8%
ENEnplas: 9 patents #32 of 255Top 15%
NCNitto Jushi Kogyo Co.: 8 patents #2 of 21Top 10%
Dai Nippon Printing Co.: 6 patents #392 of 2,222Top 20%
SCSanyo Semiconductor Co.: 6 patents #9 of 323Top 3%
JAJapan Science And Technology Agency: 5 patents #92 of 2,171Top 5%
ONonsemi: 5 patents #311 of 1,901Top 20%
YKYasuhiro Koike: 5 patents #2 of 25Top 8%
NDNitto Denko: 4 patents #785 of 2,479Top 35%
MRMembrane Technology And Research: 4 patents #25 of 79Top 35%
NCNippon Petrochemicals, Co.: 3 patents #74 of 359Top 25%
SCSekisui Chemical Co.: 3 patents #246 of 908Top 30%
MCMitsui Chemicals: 2 patents #873 of 2,279Top 40%
ACAsahi Glass Co.: 2 patents #833 of 2,251Top 40%
ACAdvics Co.: 2 patents #250 of 686Top 40%
SMSuzuki Motor: 2 patents #288 of 1,209Top 25%
Rohm Co.: 1 patents #1,438 of 2,292Top 65%
MLMitsubishi Pencil Company, Limited: 1 patents #181 of 302Top 60%
JLJapan Aviation Electronics Industry, Limited: 1 patents #440 of 728Top 65%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
HCHonda Tsushin Kogyo Co.: 1 patents #48 of 84Top 60%
NLNippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
TKToyo Boseki Kabushiki Kaisha: 1 patents #541 of 1,085Top 50%
TCToyobo Co.: 1 patents #227 of 498Top 50%
HCHitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
General Motors: 1 patents #9,441 of 18,328Top 55%
Toyota: 1 patents #15,486 of 26,838Top 60%
NINittoh: 1 patents #12 of 20Top 60%
Yokohama, JP: #294 of 49,234 inventorsTop 1%
Overall (All Time): #12,931 of 4,157,543Top 1%
106 Patents All Time
Yasuhiro Koike has been granted 106 US patents while listed as an inventor at Unknown. The first was granted in 1985 and the most recent in December 2025. Yasuhiro Koike ranks #12,931 of 4,157,543 US inventors in our database (top 0.31%). Patent records list Yasuhiro Koike in Yokohama, JP.

Issued Patents All Time

Showing 1–25 of 106 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12508735 Scarfing machine Shohei Inoue, Michinori Ninomiya 2025-12-30
12392957 Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the same 2025-08-19
12242103 Batch-molding multi optical transmission sheet assembly, connection structure, optical module, active optical cable, and manufacturing method thereof Hiroshi Takizuka 2025-03-04
11828977 Integrally molded multi-optical transmission sheet, integrally molded multi-optical transmission sheet connector and method for manufacturing the same 2023-11-28
11726247 Display device and method for selecting optical film of display device Takashi Kuroda 2023-08-15 $18,845,000
11411648 Optical transmission system and electro-optical conversion device Yuichi Tsujita, Takeshi Tanaka, Satoshi Ito, Keita Kiyoshima, Atsushi Yamagishi +1 more 2022-08-09 $13,688,000
11204524 Image display device Takashi Kuroda, Kana Yamamoto 2021-12-21
11092738 Optical fiber cable Azusa Inoue 2021-08-17
10948764 Method for improving visibility of liquid crystal display device, and liquid crystal display device using the same Akihiro Tagaya 2021-03-16
10890704 Display device and method for selecting optical film of display device Takashi Kuroda 2021-01-12
10677975 Display device, and method for selecting optical film for display device Takashi Kuroda 2020-06-09
10054816 Method for improving visibility of liquid crystal display device, and liquid crystal display device using same Akihiro Tagaya 2018-08-21
10035889 Optical film Tadahiro Sunaga, Takashi Oda 2018-07-31
10022677 Gas separation membranes based on perfluorinated polymers Zhenjie He, Timothy C. Merkel, Yoshiyuki Okamoto 2018-07-17
9798068 Illumination module Akihiro Tagaya, Keiichi Mochizuki, Takashi Iwamoto, Kazumasa Osumi 2017-10-24
9693456 Substrate and metal layer manufacturing method Kiminori Ozaki, Hiroaki Asano, Hitoshi Shimadu, Shigeki Kawaguchi, Tomoaki Asai 2017-06-27
9655240 Substrate Kiminori Ozaki, Hiroaki Asano, Hitoshi Shimadu, Shigeki Kawaguchi, Tomoaki Asai 2017-05-16
9643124 Gas separation membranes based on fluorinated and perfluorinated polymers Hao Zhang, Zhenjie He, Timothy C. Merkel, Yoshiyuki Okamoto 2017-05-09
9551843 Connector Shigehiro Oi, Koichiro Yoshimura 2017-01-24 $616,000
9403120 Gas separation membranes based on perfluorinated polymers Zhenjie He, Timothy C. Merkel, Yoshiyuki Okamoto 2016-08-02
9332638 Wiring board and method for manufacturing wiring board Kiminori Ozaki, Hiroaki Asano, Harumitsu Sato, Hiroki Watanabe, Tadayoshi Kachi +7 more 2016-05-03
9261731 Liquid crystal display apparatus Takehito Fuchida, Shouhei Maezawa, Hiroyuki Takemoto, Nao Murakami, Runa Nakamura +4 more 2016-02-16
9261640 Liquid crystal display apparatus Runa Nakamura, Fumihiro Arakawa, Hiroshi Yamamoto, Takehito Fuchida, Shouhei Maezawa +4 more 2016-02-16
9233668 Vehicle braking control device Masaki Ninoyu, Masayuki Naito 2016-01-12
9128238 Optical material and molded product thereof Tadahiro Sunaga, Takashi Oda, Hirofumi Io, Keisuke Kawashima 2015-09-08