Inventor · disambiguated record
Takayuki Iwamatsu
Also filed as: IWAMATSU TAKAYUKI
7 granted patents·177 citations·filing 1994–1996
88Inventor score
Files withTOSHIBA KK7
Top patents by PatentIndex Score
7 records- 0179US5629115AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted May 13, 1997·33 cites·60 claims
- 0278US5907393AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted May 25, 1999·32 cites·17 claims
- 0374US5728494AExposure mask and method and apparatus for manufacturing the sameTOSHIBA KK·Filed 1996·Granted Mar 17, 1998·26 cites·4 claims
- 0473US5514499APhase shifting mask comprising a multilayer structure and method of forming a pattern using the sameTOSHIBA KK·Filed 1994·Granted May 7, 1996·43 cites·13 claims
- 0560US5700605AMask for light exposure and process for production of the sameTOSHIBA KK·Filed 1996·Granted Dec 23, 1997·19 cites·25 claims
- 0651US5609977AReflection phase shifting mask and method of forming a pattern using the sameTOSHIBA KK·Filed 1996·Granted Mar 11, 1997·13 cites·10 claims
- 0749US5686209APhase shifting mask and method of forming a pattern using the sameTOSHIBA KK·Filed 1996·Granted Nov 11, 1997·11 cites·24 claims
Join the waitlist — get patent alerts
Get an alert when Takayuki Iwamatsu 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 →