KO

Koukichi Ouhata

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,659,007 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5246741 Method for surface modification and apparatus therefor Kenichi Natsui 1993-09-21
5064520 Method and apparatus for forming a film Kiyoshi Miyake, Yasunori Ohno, Masato Isogai, Yukio Nakagawa, Takayoshi Seki +3 more 1991-11-12
4503357 Cathode-ray tube Hiroyuki Sugawara 1985-03-05