YH

Yoshio Hamada

OT Okuma Tekkosho: 1 patents #22 of 43Top 55%
SM Shin Caterpillar Mitsubishi: 1 patents #64 of 184Top 35%
Overall (All Time): #1,593,521 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7055653 Escape device 2006-06-06
5813228 Carrier vehicle equipped with a swing table Yorimichi Kubota, Katsuo Nagao, Kazuo Takahashi, Masanori Hayashi 1998-09-29
4433261 Rotor for permanent magnet type synchronous motors Masayuki Nashiki 1984-02-21