KO

Kenichiro Otsuka

NS Nippon Steel: 37 patents #6 of 4,423Top 1%
Sumitomo Electric Industries: 14 patents #1,767 of 21,551Top 9%
NM Nippon Steel & Sumitomo Metal: 8 patents #93 of 1,491Top 7%
PE Pentax: 7 patents #230 of 761Top 35%
SC Sumitomo Electric Optifrontier Co.: 6 patents #4 of 57Top 8%
SL Sumitomo Electric Lightwave: 3 patents #7 of 65Top 15%
UN Unknown: 3 patents #7,366 of 83,584Top 9%
SC Sei Optifrontier Co.: 2 patents #36 of 82Top 45%
Overall (All Time): #32,228 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 1–25 of 66 patents

Patent #TitleCo-InventorsDate
12428689 Steel sheet and method for manufacturing same Masahiro Kubo, Hiroyuki Kawata, Masahiro Saito, Masafumi Azuma 2025-09-30
12399336 Optical fiber cable with partitioned case for optical fiber cable Takayuki YOKOCHI, Takayuki Shimazu 2025-08-26
12344911 High-strength steel sheet and method for manufacturing same Masafumi Azuma, Eisaku Sakurada, Genki Abukawa, Takeshi Toyoda 2025-07-01
12248185 Optical connection structure, optical connector, and optical connecting method Masaki Omura, Motoyoshi KIMURA, Takayuki YOKOCHI, Shunichi Watanabe, Junji Fukui +3 more 2025-03-11
12221661 Steel sheet and method for producing same Masahiro Kubo, Hiroyuki Kawata, Masafumi Azuma 2025-02-11
12209300 Automobile undercarriage part Masafumi Azuma, Yoichiro Mori, Shinji Kodama, Masahiro Matsuba 2025-01-28
12194806 Suspension arm Masafumi Azuma, Koichi Hamada, Ryo Tabata, Ryo URUSHIBATA, Yuki Kitahara 2025-01-14
12163209 Automobile undercarriage part Masafumi Azuma, Yoichiro Mori, Shinji Kodama, Masahiro Matsuba 2024-12-10
12111224 Optical transmission path inspecting system, and optical transmission path inspecting device Gouichi Fukumoto, Yoshifumi Hishikawa, Tetsufumi Tsuzaki, Toshiyuki Miyamoto 2024-10-08
12105339 Wiring module, frame body for wiring module, and forming method for forming wiring module Takayuki YOKOCHI, Takayuki Shimazu, Junji Fukui 2024-10-01
12084115 Formed article, structural member using the same, and manufacturing method of formed article 2024-09-10
12032214 Optical communication system Takayuki YOKOCHI, Takayuki Shimazu 2024-07-09
12018344 High-strength steel sheet and method for manufacturing same Masafumi Azuma, Eisaku Sakurada, Genki Abukawa, Takeshi Toyoda 2024-06-25
12005960 Front pillar outer Masafumi Azuma, Naoki Kimoto 2024-06-11
11998967 Panel-shaped formed product Yoshiaki Nakazawa, Naruhiko Nomura, Toshiya Suzuki, Masahiro Kubo 2024-06-04
11965801 Measurement system Kazuya Masuda, Tomohiko Ueda, Tsuneari Ito, Tetsufumi Tsuzaki, Yoshifumi Hishikawa +1 more 2024-04-23
11906803 Optical fiber ribbon with intermittently coupled groups of fibers Takayuki Shimazu, Yuuki SHIMODA, Shinji Yamane 2024-02-20
11859260 Steel sheet and manufacturing method thereof Masahiro Kubo, Hiroyuki Kawata, Masahiro Saito, Masafumi Azuma 2024-01-02
11815723 Optical connection structure, optical connector, and optical connecting method Masaki Omura, Motoyoshi KIMURA, Takayuki YOKOCHI, Shunichi Watanabe, Junji Fukui +3 more 2023-11-14
11643147 Front pillar outer Masafumi Azuma, Naoki Kimoto 2023-05-09
11634178 Front pillar outer Masafumi Azuma, Naoki Kimoto 2023-04-25
11628483 Hot stamping formed article and method and device for manufacturing hot stamping formed article Yoshiyuki KASEDA, Yoshiaki Nakazawa 2023-04-18
11623261 Hot-stamping formed article, vehicle member, and manufacturing method of hot-stamping formed article 2023-04-11
11534815 Press formed product, automobile structural member with the press formed product, and method for producing press formed product 2022-12-27
11440594 Front pillar outer 2022-09-13