YI

Yoshinori Isogai

OK Okamura: 3 patents #31 of 116Top 30%
Overall (All Time): #1,340,636 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12369714 Chair 2025-07-29
10334953 Furniture, load support member for chair, and chair Hiroshi Masunaga, Kouichirou Wakizono, Naoyuki Okuda, Syouichi Izawa 2019-07-02
9155393 Chair Alexander Hurford 2015-10-13