AN

Akibumi Negishi

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HE Hitachi Tool Engineering: 1 patents #13 of 41Top 35%
Overall (All Time): #2,297,004 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5348806 Cermet alloy and process for its production Katsuhiko Kojo, Masayuki Gonda 1994-09-20
5149595 Cermet alloy and process for its production Katsuhiko Kojo, Hisaaki Ida 1992-09-22