YH

Yoshio Hayakawa

MI Ministry Of International Trade & Industry: 4 patents #28 of 582Top 5%
AT Agency Of Industrial Science And Technology: 4 patents #91 of 1,778Top 6%
Fujitsu Limited: 3 patents #8,614 of 24,456Top 40%
NC Nippon Soda Co.: 3 patents #145 of 648Top 25%
Overall (All Time): #366,438 of 4,157,543Top 9%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
12428533 Resin composition for metal-clad laminates, prepreg, and metal-clad laminate Shota OSUMI, Izumi Tando, Hiroki Ueda 2025-09-30
11939443 Polyphenylene ether resin composition, prepreg, metal-clad laminate Shota OSUMI, Izumi Tando, Hiroki Ueda 2024-03-26
9487605 Method for producing hydrogenated unsaturated polyhydroxyhydrocarbon polymer Hiroki Hashimoto, Mitsuhiro Nakamura 2016-11-08
5609787 Method for extinguishing fire Takashi Abe, Haruhiko Fukaya, Eiji Hayashi 1997-03-11
5486275 Nitrogen-containing perfluoroalkyl bromide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi, Hajime Baba 1996-01-23
5476934 Nitrogen-containing perfluoroalkanoyl peroxide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi 1995-12-19
5380844 Nitrogen-containing perfluoroalkanoyl peroxide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi 1995-01-10
5347002 Nitrogen-containing perfluoroalkanoyl peroxide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi 1994-09-13
5256825 Nitrogen-containing perfluoralkanoyl peroxide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi 1993-10-26
5208339 Nitrogen-containing perfluoroalkanoyl peroxide and method for production thereof Haruhiko Fukaya, Takashi Abe, Eiji Hayashi 1993-05-04
4835735 Card image data processing system Yoshiki Ikegami, Yasuaki Sato 1989-05-30
4755809 Method for controlling windows displayed in a card image data processing system Yoshiki Ikegami 1988-07-05
4663731 Word processing system for inserting characters into a series of characters Yoshiki Ikegami, Fumio Matsumoto, Yasuaki Sato 1987-05-05