HS

Hiroyuki Shiroki

AC Asahi Kasei Kogyo Co.: 4 patents #154 of 1,395Top 15%
NK Nihon Denshizairyo Kabushiki Kaisha: 3 patents #5 of 21Top 25%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #582,089 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
7749640 Fuel Cell Hirofumi Kan, Asako Satoh, Akira Yajima, Yumiko Takizawa 2010-07-06
7638223 Fuel cell Hirofumi Kan, Asako Satoh, Akira Yajima, Yumiko Takizawa 2009-12-29
D424539 Ring for probe card 2000-05-09
D424043 Ring for probe card 2000-05-02
D420659 Ring for probe card 2000-02-15
4605484 Hydrogen-evolution electrode Yasuhide Noaki 1986-08-12
4496453 Hydrogen-evolution electrode Mitsuo Yoshida 1985-01-29
4483754 Electrolysis of sodium chloride with the use of ion exchange membranes 1984-11-20
4190505 Electrolysis of sodium chloride in an ion-exchange membrane cell Shinsaku Ogawa, Mitsuo Yoshida 1980-02-26