YH

Yoshio Hirayama

EB Ebara: 16 patents #124 of 1,611Top 8%
UI Ube Industries: 5 patents #249 of 1,686Top 15%
KC Kuraray Co.: 4 patents #386 of 1,827Top 25%
NC Nippon Light Metal Company: 4 patents #52 of 499Top 15%
Mitsubishi Electric: 2 patents #11,187 of 25,717Top 45%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
Overall (All Time): #140,110 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4313312 Water producing air conditioning system Toshio Ito, Hiromasa Matsuoka, Nobuyoshi Takahashi 1982-02-02
4304577 Water producing apparatus Toshio Ito, Hiromasa Matsuoka, Kenkoku Azuma, Nobuyoshi Takahashi 1981-12-08
4258005 Thermal reactor with fluidizing rotors Kanichi Ito, Yoshiki Kuroda 1981-03-24