Yoshimitsu Ishikawa

SO Sony: 2 patents #161 of 1,361Top 15%

📍 Tokyo, NY: #9 of 28 inventorsTop 35%

Overall (1997): #19,180 of 185,788Top 15%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5693579	Semiconductor manufacturing method and semiconductor device manufacturing apparatus	—	1997-12-02
5626924	Method of forming oxide film	—	1997-05-06