Inventor · disambiguated record

Seiji Watahiki

Also filed as: WATAHIKI SEIJI

2 granted patents·18 citations·filing 1991–2000

59Inventor score

Technology areasC04B H10D

Files withHITACHI LTD2

Top patents by PatentIndex Score

2 records

0158US6483167B1Semiconductor device and production method thereofHITACHI LTD·Filed 2000·Granted Nov 19, 2002·9 cites·3 claims
0247US5200373AHigh strength composite ceramic structure and process for producing the sameHITACHI LTD·Filed 1991·Granted Apr 6, 1993·9 cites·11 claims

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Seiji Watahiki — Patent Inventor | PatentIndex