TH

Takumitsu Hiro

OI Okamoto Industries: 1 patents #2 of 7Top 30%
UN Unknown: 1 patents #206 of 2,107Top 10%
Overall (1997): #72,524 of 185,788Top 40%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5666974 Prototype of mouth piece Akinori Watanabe 1997-09-16