Yasuhiro Umano

KS Komatsu Shisakusho: 1 patents #7 of 53Top 15%

📍 Nomi, JP: #1 of 2 inventorsTop 50%

Overall (1982): #22,349 of 81,411Top 30%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4309696	Trouble detecting unit in an optical security device	Shunichi Nagai	1982-01-05