Inventor · disambiguated record
Keishi Tanaka
Also filed as: TANAKA KEISHI
4 granted patents·3 citations·filing 2006–2013
59Inventor score
Top patents by PatentIndex Score
4 records- 0164US7754397B2Phase-shift mask, manufacturing method thereof and manufacturing method of semiconductor elementTOPPAN PRINTING CO LTD·Filed 2007·Granted Jul 13, 2010·2 cites·8 claims
- 0257US9548583B2Fiber laser oscillator, fiber laser processing device, and fiber laser oscillator dehumidification methodAMADA CO LTD·Filed 2013·Granted Jan 17, 2017·1 cites·14 claims
- 0341US7632613B2Levenson type phase shift mask and manufacturing method thereofTOPPAN PRINTING CO LTD·Filed 2006·Granted Dec 15, 2009·0 cites·8 claims
- 0431US8715451B2Heat pressing apparatus with puncture prevention function and method for producing woody materialKORAI HIDEAKI·Filed 2009·Granted May 6, 2014·0 cites·7 claims
Join the waitlist — get patent alerts
Get an alert when Keishi Tanaka 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 →