YH

Yasuro Hayashi

Ricoh Company: 2 patents #5,693 of 9,818Top 60%
Overall (All Time): #2,316,065 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5010605 Body massaging apparatus of water current type Toshio Shiina, Keiko Miyamoto, Kouji Izumi, Yonenobu Karasawa, Satoru UEMATSU +1 more 1991-04-30
4229644 Heat pipe roller Ryoichi Namiki 1980-10-21