YH

Yoshihiko Horikawa

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,246,076 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5866463 Method of manufacturing a semiconductor apparatus Takehiro Hirai, Mitsuo Tanaka, Atsushi Hori, Hiroshi Shimomura 1999-02-02
5712174 Method of manufacturing a bipolar transistor Takehiro Hirai, Mitsuo Tanaka, Atsushi Hori, Hiroshi Shimomura 1998-01-27