AY

Akira Yoshikawa

NP Nippon Telegraph And Telephone Public: 2 patents #7 of 171Top 5%
📍 Rifu, JP: #3 of 22 inventorsTop 15%
Overall (1982): #16,527 of 81,411Top 25%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4350541 Doping from a photoresist layer Yoshihiko Mizushima, Akitsu Takeda, Osamu Ochi, Tomoko Hisaki 1982-09-21
4320191 Pattern-forming process Osamu Ochi, Tomoko Hisaki, Yoshihiko Mizushima 1982-03-16