Inventor · disambiguated record
Tadashi Hara
Also filed as: HARA TADASHI
15 granted patents·287 citations·filing 1988–2008
94Inventor score
Top patents by PatentIndex Score
15 records- 0185US5808100AChromene compounds and photochromic materialsTOKUYAMA CORP·Filed 1996·Granted Sep 15, 1998·34 cites·15 claims
- 0284US5432212ADispersant composition for cement having excellent property in inhibition of slump-lossGRACE W R & CO·Filed 1994·Granted Jul 11, 1995·40 cites·20 claims
- 0383US4832436AOptical fiber distribution apparatusFUJIKURA LTD·Filed 1988·Granted May 23, 1989·58 cites·8 claims
- 0479US6646104B1Process for production of sulfur compoundsTOKUYAMA CORP·Filed 2000·Granted Nov 11, 2003·9 cites·7 claims
- 0576US7084182B2Photopolymerization initiatorTOKUYAMA DENTAL CORP·Filed 2004·Granted Aug 1, 2006·11 cites·6 claims
- 0675US5475074APolymerizable composition, organic glass and ophthalmic lensTOKUYAMA CORP·Filed 1994·Granted Dec 12, 1995·42 cites·22 claims
- 0771US6197225B1Chromene compoundTOKUYAMA CORP·Filed 1998·Granted Mar 6, 2001·16 cites·32 claims
- 0865US6528601B1Polymerizable sulfur-containing (meth) acrylate, polymerizable composition and optical lensTOKUYAMA CORP·Filed 2000·Granted Mar 4, 2003·9 cites·11 claims
- 0964US8051962B2Steering damperKAYABA INDUSTRY CO LTD·Filed 2008·Granted Nov 8, 2011·3 cites·4 claims
- 1064US6022496AChromene compoundTOKUYAMA CORP·Filed 1999·Granted Feb 8, 2000·9 cites·17 claims
- 1162US6194511B1Photochromic curable compositionTOKUYAMA CORP·Filed 1999·Granted Feb 27, 2001·18 cites·10 claims
- 1258US6362248B1Photochromic polymerizable compositionTOKUYAMA CORP·Filed 1999·Granted Mar 26, 2002·17 cites·18 claims
- 1344US5932725AChromene compoundTOKUYAMA CORP·Filed 1998·Granted Aug 3, 1999·1 cites·24 claims
- 1439US5175861ALock processing systemNEC CORP·Filed 1991·Granted Dec 29, 1992·11 cites·4 claims
- 1538US5111458AHardware arrangement for storing error information in pipelined data processing system and method thereforNEC CORP·Filed 1989·Granted May 5, 1992·9 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →