YH

Yoshio Hirayama

EB Ebara: 2 patents #1 of 13Top 8%
Mitsubishi Electric: 1 patents #70 of 351Top 20%
Overall (1982): #2,650 of 81,411Top 4%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4358540 Composting apparatus Kanichi Itoh, Masanori Kodaira 1982-11-09
4324620 Pyrolyzing apparatus Kanichi Ito, Yoshiaki Ishii, Naoyoshi Ando 1982-04-13
4313312 Water producing air conditioning system Toshio Ito, Hiromasa Matsuoka, Nobuyoshi Takahashi 1982-02-02