KK

Koichi Kogai

Overall (All Time): #1,632,179 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5871256 Method for inclining a chair seat and chair having an inclinable seat 1999-02-16
5806931 Method for inclining the backrest of a chair, and chair having an inclinable backrest 1998-09-15
5605376 Method for inclining a chair seat, and chair having an inclinable seat 1997-02-25