YT

Yoshiji Tutikawa

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #753,063 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
7412261 Portable telephone 2008-08-12
6909597 Portable computer 2005-06-21
6592312 Bolt employing shearing stress for self-locking 2003-07-15
6146074 Washer having an inclined profile 2000-11-14
5956806 Apparatus for automatically closing a swing door 1999-09-28
5085262 Device for supporting folding doors 1992-02-04
5070578 Hinge with spaced apart hinge members 1991-12-10