TH

Tadashi Hirakawa

MM Mitsubishi Mining: 3 patents #1 of 64Top 2%
Overall (1982): #3,097 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4337884 Single facer Hiroaki Sasashige, Hiroyuki Takenaka, Keiichi Katayama 1982-07-06
4327854 Apparatus for guiding web-like material Hiroshi Satou 1982-05-04
4316761 Single facer Hiroaki Sasashige, Hiroyuki Takenaka, Keiichi Katayama 1982-02-23