II

Isao Ishikawa

HI Hitachi: 1 patents #311 of 1,214Top 30%
HM Hitachi Medical: 1 patents #7 of 20Top 35%
NP Nippon Telegraph And Telephone Public: 1 patents #36 of 171Top 25%
Overall (1982): #12,663 of 81,411Top 20%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4346472 Method and apparatus for eliminating double bit errosion in a differential phase shift keying system Seiei Ohkoshi, Teiji Okamoto, Nobuo Tsukamoto 1982-08-24
4345156 Ionization chamber type X-ray detector Hiroshi Kanda, Shinji Yamamoto 1982-08-17