AM

Akira Murayama

HI Hitachi: 1 patents #311 of 1,214Top 30%
Canon: 1 patents #206 of 392Top 55%
Overall (1982): #16,558 of 81,411Top 25%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4352642 Hermetic motor-compressor Fumio Harada, Kazutaka Suefuji 1982-10-05
4317270 Method of making an elastic roller Tsuyoshi Watanabe, Hidetoshi Murase, Mikio Nakasugi 1982-03-02