TO

Tetsuya Ohba

MK Mitsubishi Kinzoku: 1 patents #18 of 72Top 25%
NS Nippon Steel: 1 patents #57 of 282Top 25%
📍 Ibaraki, JP: #110 of 447 inventorsTop 25%
Overall (1989): #51,456 of 140,708Top 40%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4817410 Roll for mill Takashi Yatsuzuka, Kouji Tanabe, Tatsuo Kojima, Tatsunobu Kobayashi, Kouki Katou 1989-04-04