KH

Koichi Hadama

NT NTT: 2 patents #23 of 170Top 15%
NE Ntt Electronics: 1 patents #7 of 31Top 25%
Overall (2016): #123,473 of 481,213Top 30%
2
Patents 2016

Issued Patents 2016

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9467755 Optical switch Kenya Suzuki, Yuzo Ishii, Kazunori Seno 2016-10-11
9323002 Light multiplexer Yuji Mitsuhashi, Toshiki Nishizawa, Hiroshi Tomita, Yuzo Ishii 2016-04-26