HY

Hiroshi Yasukawa

NC Niigata Engineering Co.: 2 patents #11 of 80Top 15%
Microsoft: 1 patents #24,826 of 40,388Top 65%
Overall (All Time): #1,636,596 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5999622 Method and apparatus for protecting widely distributed digital information Takashi Kurosawa 1999-12-07
4648171 Magazine for replaceable tools and operation method of indexing tools using the magazine 1987-03-10
4616397 Magazine for replaceable tools and operation method of indexing tools using the magazine 1986-10-14