TO

Toshihisa Okubo

KC Kohoku Kogyo Co.: 3 patents #4 of 24Top 20%
📍 Nagahama, JP: #42 of 132 inventorsTop 35%
Overall (All Time): #1,388,080 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11835766 Slope gain equalizer Takashi Kato 2023-12-05
11598908 Interference filter module Takashi Kato 2023-03-07
11137547 Wavelength selective filter Takashi Kato 2021-10-05