YO

Yoshinao Okumoto

HI Hitachi: 1 patents #867 of 2,942Top 30%
Overall (1997): #55,468 of 185,788Top 30%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5685229 Railway car body structures and method of making them Mamoru Ohara, Morishige Hattori, Masato Okazaki, Michifume Takeichi, Katsutoshi Horihata +1 more 1997-11-11