MA

Mitsuo Ai

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,685,642 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4306460 Differential pressure transducer Yutaka Sakurai, Takeo Nagata, Yoshitaka Matsuoka, Satoshi Shimada 1981-12-22
4303903 Pressure sensitive apparatus Yoshitaka Matsuoka, Michitaka Shimazoe, Yoshimi Yamamoto, Keiji Miyauchi, Hideyuki Nemoto +2 more 1981-12-01
4264889 Pressure transducer Yoshimi Yamamoto, Yoshitaka Matsuoka, Takeo Nagata, Tsutomu Okayama, Akira Ikegami 1981-04-28