TF

Takeshi Fujikawa

DA Daicel: 13 patents #11 of 523Top 3%
SC Square Enix Co.: 4 patents #46 of 391Top 15%
HK Henkel Ag & Co. Kgaa: 1 patents #1,145 of 2,331Top 50%
KS Kobe Steel: 1 patents #857 of 2,031Top 45%
NA Namco: 1 patents #89 of 269Top 35%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #189,931 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
12330378 Manufacturing method for optical unit and manufacturing method for optical module Makoto Yasuhara, Sadayuki Fukui 2025-06-17
11927884 Resin molded article production method and optical component production method Sadayuki Fukui 2024-03-12
11862936 Optical member, laser module including said optical member, and laser device Takahiro Iwahama, Sadayuki Fukui 2024-01-02
11404847 Optical member, laser module including said optical member, and laser device Takahiro Iwahama, Sadayuki Fukui 2022-08-02
11247368 Silicone mold Sadayuki Fukui 2022-02-15
10988568 Curable composition and cured product from same Sadayuki Fukui 2021-04-27
10988569 Curable composition and cured product from same Sadayuki Fukui 2021-04-27
10843423 Specially-shaped epoxy resin molded article, and optical device provided with same Sadayuki Fukui 2020-11-24
10829586 Curable composition and optical element obtained using same Kyohei Ishida 2020-11-10
10604617 Curable composition for lens, lens and optical device Takashi Kubo 2020-03-31
10584200 Curable composition and optical element obtained using same Kyohei Ishida 2020-03-10
10544918 Fresnel lens and optical device provided with same Sadayuki Fukui 2020-01-28
10465038 Curable composition for lens, lens and optical device Takashi Kubo 2019-11-05
10351663 Curable composition and optical element obtained using same Takashi Kubo 2019-07-16
8507416 Water-based lubricant for plastic processing having excellent corrosion resistance and metal material having excellent plastic processability Kosuke Hatasaki, Masumi Hara, Atsushi Serita, Masanobu Tanaka 2013-08-13
D618284 Arcade game machine Ryutaro Ichimura, Kaito Yamaguchi, Naoki Yoshida, Toshinao Yoshihara, Seiji Kato +1 more 2010-06-22
D618285 Arcade game machine Ryutaro Ichimura, Kaito Yamaguchi, Naoki Yoshida, Shigeyasu Tsuna 2010-06-22
D573658 Arcade video game machine Ryutaro Ichimura, Kei Shirai 2008-07-22
D566195 Arcade video game machine Ryutaro Ichimura, Toshinao Yoshihara 2008-04-08
6611102 Tungsten-halogen light bulb, and reflector lamp using the same Mituhiko Kimoto, Taku Ikeda, Hiroshi Sugimoto 2003-08-26
D395464 Steering wheel for a video game machine Atsushi Shiibashi, Takeyasu Yamamoto, Toru Yano 1998-06-23
4577277 Method and apparatus of continuous casting by the use of mold oscillating system Futoshi Kamei, Shinichi Harada, Akira Yasunishi, Minoru Takemura, Shinzo Iida +1 more 1986-03-18