YI

Yuji Ishi

IT Itoki: 4 patents #2 of 6Top 35%
Overall (1994): #3,809 of 165,921Top 3%
4
Patents 1994

Issued Patents 1994

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5338099 Shell structure for use with a chair having synchronously moving seat and seat back Toru Nagao, Harumatsu Sato 1994-08-16
D348571 Chair Hironaga Obata, Tetsuya Kano, Toru Nagao 1994-07-12
5314240 Shell structure for use with a chair having synchronously moving seat and seat back Toru Nagao, Harumatsu Sato 1994-05-24
D346909 Chair Hironaga Obata, Tetsuya Kano, Toru Nagao 1994-05-17