TY

Toshikazu Yamada

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
📍 Akishima, JP: #243 of 519 inventorsTop 50%
Overall (All Time): #2,319,896 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5063719 Column base structure Hideshige Matsuo, Isamu Yamamoto, Osamu Narishige, Michio Itoh, Kuniaki Sato +3 more 1991-11-12
4905436 Column/beam joint structure Hideshige Matsuo, Isamu Yamamato, Michio Itoh, Shue Suzuki, Mitsunobu Iwata +6 more 1990-03-06