TK

Takao Kawanuma

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
HC Hitachi Construction Machinery Co.: 2 patents #502 of 1,234Top 45%
📍 Sakuragawa, JP: #28 of 58 inventorsTop 50%
Overall (All Time): #2,315,404 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5050137 Ultrasonic probe Kazuo Sato, Hiroshi Kanda, Shigeo Kato, Kuninori Imai, Takeji Shiokawa +9 more 1991-09-17
5003516 Ultrasonic probe and manufacture method for same Kazuo Sato, Hiroshi Kanda, Shigeo Kato, Kuninori Imai, Takeji Shiokawa +9 more 1991-03-26