KY

Kazuhisa Yamada

NT NTT: 1 patents #2,911 of 4,871Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,108,208 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7961644 Communication node apparatus, communication system, and path resource assignment method Yoshiaki Sone, Wataru Imajyuku, Naohide Nagatsu, Yukio Tsukishima, Atsushi Taniguchi 2011-06-14
6754437 Receiver, recorder and player Yoshikazu Hirai, Yasushi Yoneda 2004-06-22