Inventor · disambiguated record
Yoshikazu Takehira
Also filed as: TAKEHIRA YOSHIKAZU
14 granted patents·55 citations·filing 1988–1998
90Inventor score
Top patents by PatentIndex Score
14 records- 0185US4909957ALiquid crystalline compounds and process for production thereofDAISO CO LTD·Filed 1988·Granted Mar 20, 1990·16 cites·5 claims
- 0252US5130482AProcess for producing optically active atenolol and intermediate thereofDAISO COMPANY LTD·Filed 1990·Granted Jul 14, 1992·6 cites·13 claims
- 0351US5136066AProcess for preparing optically active cyclopentenone derivativeDAISO CO LTD·Filed 1991·Granted Aug 4, 1992·5 cites·6 claims
- 0449US5026506AChiral smectic liquid crystal compositionSHARP KK·Filed 1989·Granted Jun 25, 1991·9 cites·11 claims
- 0548US5324450ALiquid crystalline compounds and process for production thereofDAISO CO LTD·Filed 1993·Granted Jun 28, 1994·2 cites·1 claims
- 0641US6268515B1Process for producing 3-hydroxy-γ-butyrolactone derivativesDAISO CO LTD·Filed 1998·Granted Jul 31, 2001·2 cites·9 claims
- 0737US5308540ALiquid crystalline compounds and process for production thereofDAISO CO LTD·Filed 1992·Granted May 3, 1994·3 cites·2 claims
- 0837US5223646AProcess for producing optically active atenolol and intermediate thereofDAISO COMPANY LTD·Filed 1992·Granted Jun 29, 1993·2 cites·4 claims
- 0937US5215678AFerroelectric liquid crystal composition and liquid crystal device incorporating sameSHARP KK·Filed 1991·Granted Jun 1, 1993·4 cites·6 claims
- 1035US5180844AOptically active 2-methylenecyclopentanone derivative and process for preparing sameDAISO CO LTD·Filed 1991·Granted Jan 19, 1993·2 cites·2 claims
- 1132US5216187AOptically active 2-methylenepentane derivative and process for preparing sameDAISO CO LTD·Filed 1991·Granted Jun 1, 1993·1 cites·4 claims
- 1231US5374373AFerroelectric liquid crystal deviceSHARP KK·Filed 1993·Granted Dec 20, 1994·3 cites·4 claims
- 1331US5250715AOptically active 2-methylenepentane derivative and process for preparing sameDAISO CO LTD·Filed 1992·Granted Oct 5, 1993·0 cites·2 claims
- 1430US5200538AOptically active 2-methylenecyclopentanone derivative and process for preparing sameDAISO CO LTD·Filed 1992·Granted Apr 6, 1993·0 cites·2 claims
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