HO

Hiroyuki Okuyama

SO Sony: 2 patents #161 of 1,361Top 15%
Overall (1997): #38,139 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5657336 Semiconductor light-emitting device Akira Ishibashi, Eisaku Kato, Hiroshi Yoshida, Kazushi Nakano, Masakazu Ukita +2 more 1997-08-12
5633514 Semiconductor light emitting device with lattice-matching and lattice-mismatching Masashi Shiraishi, Satoshi Ito, Kazushi Nakano, Akira Ishibashi, Masao Ikeda +3 more 1997-05-27