HT

Hirofumi Takemasa

Sumitomo Electric Industries: 5 patents #22 of 2,038Top 2%
📍 Ibaraki, JP: #9 of 586 inventorsTop 2%
Overall (1997): #4,402 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D388408 Computer display Shigeo Usui 1997-12-30
D388409 Computer display Shigeo Usui 1997-12-30
D388413 Computer display 1997-12-30
D387757 Optical disk player Eiichiro Naito, Mitsuru Takami 1997-12-16
D382259 Video monitor Muneyuki Nagai, Atsushi Onuma 1997-08-12