OK

Osamu Kawata

NT NTT: 2 patents #14 of 290Top 5%
Sumitomo Electric Industries: 2 patents #217 of 2,038Top 15%
Overall (1997): #28,323 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5694510 Tub-aggregated optical cable Hiroaki Sano, Hiroki Ishikawa, Shigeru Tanaka, Kazuo Hogari 1997-12-02
5661836 Optical cable and manufacturing method thereof Hiroaki Sano, Hiroki Ishikawa, Shigeru Tanaka, Nobumasa Nirasawa, Kenji Morita +1 more 1997-08-26