Kenichi Yoneyama

NE Nec: 2 patents #60 of 1,007Top 6%

📍 Tokyo, OR: #1 of 4 inventorsTop 25%

Overall (1994): #27,546 of 165,921Top 20%

Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5299055	Optical fiber amplifier circuit comprising a control circuit for controlling a plurality of excitation light sources	—	1994-03-29
5295015	Optical amplifying apparatus	—	1994-03-15