Inventor · disambiguated record
Masakatu Kojima
Also filed as: KOJIMA MASAKATU
8 granted patents·278 citations·filing 1982–1995
90Inventor score
Top patents by PatentIndex Score
8 records- 0186US5738942ASemiconductor silicon wafer and process for producing itTOSHIBA KK·Filed 1995·Granted Apr 14, 1998·73 cites·8 claims
- 0284US5534294AProcess for producing Semiconductor silicon waferTOSHIBA KK·Filed 1994·Granted Jul 9, 1996·79 cites·4 claims
- 0384US4894206ACrystal pulling apparatusTOSHIBA KK·Filed 1987·Granted Jan 16, 1990·33 cites·22 claims
- 0478US5034200ACrystal pulling apparatus and crystal pulling methodTOSHIBA KK·Filed 1989·Granted Jul 23, 1991·34 cites·11 claims
- 0564US5021225ACrystal pulling apparatus and crystal pulling method using the sameTOSHIBA KK·Filed 1989·Granted Jun 4, 1991·20 cites·21 claims
- 0661US4734267AApparatus for growing compound semiconductor single crystalsTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Mar 29, 1988·12 cites·5 claims
- 0760US5073229ASemiconductor crystal pulling methodTOSHIBA KK·Filed 1990·Granted Dec 17, 1991·15 cites·15 claims
- 0852US4497777AApparatus for producing monocrystalline siliconTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Feb 5, 1985·12 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Masakatu Kojima files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →