JH

Jitsuo Hamai

Overall (All Time): #1,303,374 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4851734 Flat fluorescent lamp having transparent electrodes Hiroyuki Hamai, Eiichi Asami 1989-07-25
4768985 Method of manufacturing miniature tipless halogen lamp and apparatus for carrying out the same 1988-09-06
4693692 Apparatus for manufacturing small-size gas-filled lamps 1987-09-15
4627824 Method of and apparatus for manufacturing small-size gas-filled lamps 1986-12-09