Inventor · disambiguated record
Kazuaki Hirasawa
Also filed as: HIRASAWA KAZUAKI
13 granted patents·1 pending application·14 citations·filing 1999–2016
85Inventor score
Top patents by PatentIndex Score
14 records- 0174US8097761B2Process for production of carotenoidISHIZAKI TOMOYUKI·Filed 2007·Granted Jan 17, 2012·5 cites·10 claims
- 0269US9687422B2Method for producing carotenoid-containing composition, and carotenoid-containing compositionDAICEL CORP·Filed 2013·Granted Jun 27, 2017·1 cites·9 claims
- 0365US9605323B2Method for producing astaxanthin by fermentationHIRASAWA KAZUAKI·Filed 2011·Granted Mar 28, 2017·1 cites·10 claims
- 0463US8883443B2Method for producing zeaxanthin by fermentationHIRASAWA KAZUAKI·Filed 2011·Granted Nov 11, 2014·1 cites·11 claims
- 0562US7745170B2Process for producing carotenoid compoundNIPPON OIL CORP·Filed 2004·Granted Jun 29, 2010·6 cites·4 claims
- 0659US8999664B2Method of improving salmon meat colorHIRASAWA KAZUAKI·Filed 2007·Granted Apr 7, 2015·0 cites·11 claims
- 0754US6607903B2Genes encoding desulfurization enzymesPETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted Aug 19, 2003·0 cites·17 claims
- 0854US6479271B1Genes encoding desulfurization enzymesPETROLEUM ENERGY CENTER FOUND·Filed 2002·Granted Nov 12, 2002·0 cites·17 claims
- 0953US8993282B2Carotenoid fermentation methodHIRASAWA KAZUAKI·Filed 2009·Granted Mar 31, 2015·0 cites·2 claims
- 1051US10947574B2Method for producing fermented carotenoid using carotenoid-producing bacteria obtained by using cobalt-containing culturing mediumENEOS CORP·Filed 2016·Granted Mar 16, 2021·0 cites·18 claims
- 1145US10240215B2Method for producing astaxanthin by fermentationJX NIPPON OIL & ENERGY CORP·Filed 2016·Granted Mar 26, 2019·0 cites·5 claims
- 1245US2006121556A1Process for producing canthaxanthinNIPPON OIL CORP·Filed 2003·Application pending·0 cites
- 1340US8853460B2Method for separating carotenoidHIRASAWA KAZUAKI·Filed 2010·Granted Oct 7, 2014·0 cites·9 claims
- 1433US6420158B1Gene encoding desulfurasesPETROLEUM ENERGY CENTER FOUND·Filed 1999·Granted Jul 16, 2002·0 cites·11 claims
Join the waitlist — get patent alerts
Get an alert when Kazuaki Hirasawa 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 →