YN

Yasushi Nagatomo

OC Oki Electric Industry Co.: 1 patents #1,459 of 2,807Top 55%
Overall (All Time): #3,903,540 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4927990 Spring-biased push-button switch having a spring-loaded tactile feedback feature Kazuo Aoki, Toshimi Chiba, Sadao Tachibana 1990-05-22