YH

Yoshio Hirota

HC Hirota & Co.: 6 patents #1 of 2Top 50%
Overall (All Time): #764,750 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5609111 Returnable framework structure Nobutoshi Hasegawa, Sumio Nagase, Hisato Fukuta, Makoto Tani 1997-03-11
D291494 Cigarette lighter 1987-08-18
D289803 Cigarette lighter 1987-05-12
D289804 Cigarette lighter 1987-05-12
D289802 Cigarette lighter 1987-05-12
D284794 Cigarette lighter 1986-07-22
D284410 Cigarette lighter 1986-06-24