KH

Katsunori Hama

IC Itoki Crebio: 3 patents #1 of 22Top 5%
IC Itoki Kosakusho Co.: 1 patents #3 of 15Top 20%
Overall (All Time): #1,291,501 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5582459 Chair having tiltable seat back Hiroshi Iwabuchi, Shunichi Takamatsu, Masaru Nakaseko 1996-12-10
5348372 Tilting control assembly for chair Shunichi Takamatsu, Hirozi Kubo, Hiroshi Iwabuchi 1994-09-20
5224758 Tilting control assembly for chair Shunichi Takamatsu, Hirozi Kubo, Hiroshi Iwabuchi 1993-07-06
5080318 Tilting control assembly for chair Shunichi Takamatsu, Hiroji Kubo, Hiroshi Iwabuchi 1992-01-14