Inventor · disambiguated record

Hiroto Chaen

Also filed as: CHAEN HIROTO

67 granted patents·4 pending applications·643 citations·filing 1991–2016

99Inventor score

Technology areasA61P C12N C12P A61K A61Q

Files withHAYASHIBARA BIOCHEM LAB55 HAYASHIBARA CO4 WATANABE HIKARU3 NISHIMOTO TOMOYUKI2 CHUGOKU KAYAKU1

Top patents by PatentIndex Score

71 records

0192US6204377B1Kojibiose phosphorylase glucosyl-saccharides produced by transglycosylationHAYASHIBARA BIOCHEM LAB·Filed 1999·Granted Mar 20, 2001·65 cites·9 claims
0289US8324375B2Branched α-glucan, α-glucosyltransferase which forms the glucan, their preparation and usesWATANABE HIKARU·Filed 2008·Granted Dec 4, 2012·10 cites·14 claims
0387US8168778B2Highly-branched starch, its production and usesNISHIMOTO TOMOYUKI·Filed 2006·Granted May 1, 2012·6 cites·9 claims
0486US8216818B2Ketose 3-epimerase, its preparation and usesMARUTA KAZUHIKO·Filed 2011·Granted Jul 10, 2012·7 cites·7 claims
0586US8008058B2Ketose 3-epimerase, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 2006·Granted Aug 30, 2011·7 cites·12 claims
0686US6723170B2Crystalline trehalose dihydrate, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 2001·Granted Apr 20, 2004·24 cites·7 claims
0782US6090416AFermented formula feed, its production, and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jul 18, 2000·32 cites·4 claims
0880US6242224B1Maltohexaose and maltoheptaose-forming amylase, and its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jun 5, 2001·30 cites·11 claims
0979US8673608B2Branched α-glucan, α-glucosyltransferase which forms the glucan, their preparation and usesHAYASHIBARA CO·Filed 2012·Granted Mar 18, 2014·3 cites·5 claims
1079US5545418AAlkali-treated bagasse, and its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1994·Granted Aug 13, 1996·23 cites·21 claims
1176US10076130B2Branched alpha-glucan, alpha-glucosyltransferase which forms the glucan, their preparation and usesHAYASHIBARA CO·Filed 2016·Granted Sep 18, 2018·1 cites·4 claims
1275US5538883AMaltose-trehalose converting enzymeHAYASHIBARA BIOCHEM LAB·Filed 1994·Granted Jul 23, 1996·21 cites·4 claims
1373US9528134B2Branched α-glucan, α-glucosyltransferase which forms the glucan, their preparation and usesHAYASHIBARA CO·Filed 2015·Granted Dec 27, 2016·1 cites·7 claims
1472US9090923B2Branched alpha-glucan, alpha-glucosyltransferase which forms the glucan, their preparation and usesHAYASHIBARA CO·Filed 2014·Granted Jul 28, 2015·1 cites·5 claims
1572US6432470B2Method and composition for improving the aftertaste of sucroseHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted Aug 13, 2002·28 cites·5 claims
1672US5759610ATrehalose and its production and useHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jun 2, 1998·40 cites·9 claims
1769US8343951B2Volatile sulfide production inhibitor and method for inhibiting the production of volatile sulfide using the inhibitorHAYASHIBARA BIOCHEM LAB·Filed 2007·Granted Jan 1, 2013·1 cites·2 claims
1869US5547692AFermented bagasse feed, and its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1994·Granted Aug 20, 1996·41 cites·11 claims
1968US5218096ALactoneotrehalose, and its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1991·Granted Jun 8, 1993·27 cites·13 claims
2067US5935636ATrehalose and its production and useHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted Aug 10, 1999·22 cites·13 claims
2165US5753469Aβ-fructofuranosidase, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1996·Granted May 19, 1998·15 cites·16 claims
2262US7534458B2Process for producing rice flour and use thereofHAYASHIBARA BIOCHEM LAB·Filed 2003·Granted May 19, 2009·4 cites·4 claims
2362US5747300ATrehalose and its production and useHAYASHIBARA SEIBUTSU KAGUKU KE·Filed 1996·Granted May 5, 1998·12 cites·12 claims
2461US9215887B2Method for inhibiting coloring of a syrupy sweetener comprising a non-reducing oligosaccharide having a beta-fructofranosidic linkage and a reducing saccharide, and use thereofYOSHIDA KENSHI·Filed 2009·Granted Dec 22, 2015·2 cites·2 claims
2560US5993889ATrehalose phosphorylase, its preparation and useHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted Nov 30, 1999·14 cites·15 claims
2660US5916371ACrystalline powdery saccsharide, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jun 29, 1999·13 cites·14 claims
2760US5622859ABiologically pure strain of Enterococcus falcium FERM BP-4504HAYASHIBARA BIOCHEM LAB·Filed 1996·Granted Apr 22, 1997·6 cites·1 claims
2859US6090792AMaltose-trehalose converting enzyme, and preparation and uses thereofHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jul 18, 2000·10 cites·5 claims
2958US5858992ANon-reducing saccharides, their preparation and useHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Jan 12, 1999·10 cites·12 claims
3057US5403727AProcess for preparing neotrehalose and its usesHAYASHIBARA BIOCHEM LAB·Filed 1994·Granted Apr 4, 1995·5 cites·11 claims
3156US9175282B2Cellobiose 2-epimerase, its preparation and usesWATANABE HIKARU·Filed 2012·Granted Nov 3, 2015·0 cites·2 claims
3256US8524889B2Highly-branched starch, its production and usesNISHIMOTO TOMOYUKI·Filed 2012·Granted Sep 3, 2013·0 cites·2 claims
3356US6077546AQuick-fermented feed and method of preparingHAYASHIBARA BIOCHEM LAB·Filed 1996·Granted Jun 20, 2000·18 cites·9 claims
3454US6107348AMaltohexaose and maltoheptaose-forming amylase, and its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Aug 22, 2000·10 cites·10 claims
3554US5883243ANon-reducing saccharides, their preparations and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Mar 16, 1999·8 cites·6 claims
3653US5714368AThermostable non-reducing saccharide-forming enzyme its production and usesHAYASHIBARA BIOCHEM LAB·Filed 1995·Granted Feb 3, 1998·9 cites·23 claims
3752US6066477AMethod of producing glucosylated saccharides with kojibiose phosphorylaseHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted May 23, 2000·9 cites·1 claims
3851US6268353B1Method for inhibiting the formation of volatile aldehydes including their related compounds and/or the decomposition of fatty acids including their related compounds, and uses thereofHAYASHIBARA BIOCHEM LAB·Filed 1999·Granted Jul 31, 2001·17 cites·25 claims
3949US2012040407A1Cellobiose 2-epimerase, its preparation and usesWATANABE HIKARU·Filed 2010·Application pending·0 cites
4049US2008221045A1Hepatic Function-Improving AgentHAYASHIBARA BIOCHEM LAB·Filed 2005·Application pending·0 cites
4148US5912361AProcess for producing D-glucuronolactoneCHUGOKU KAYAKU·Filed 1998·Granted Jun 15, 1999·9 cites·18 claims
4247US6762046B2Polypeptide having β-fructofuranosidase activityHAYASHIBARA BIOCHEM LAB·Filed 2001·Granted Jul 13, 2004·0 cites·9 claims
4347US6126962ACrystalline powdery saccharide, its preparation and usesHAYASHIBARA SEIBUTUS KAGAKU KE·Filed 1998·Granted Oct 3, 2000·8 cites·17 claims
4447US5910436ATrehalose phosphorylase, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted Jun 8, 1999·4 cites·6 claims
4547US5843748ATrehalose phosphorylase its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Dec 1, 1998·7 cites·10 claims
4645US6294360B1Saccharide composition containing trehalulose, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Sep 25, 2001·8 cites·8 claims
4745US6200783B1Process for producing trehalose and sugar alcoholsHAYASHIBARA BIOCHEM LAB·Filed 1998·Granted Mar 13, 2001·4 cites·10 claims
4845US5965412AKojibiose phosphorylase obtainable from Thermoanaerobium brockii, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Oct 12, 1999·5 cites·12 claims
4943US6383769B1Polypeptides having β-fructofuranosidase activityHAYASHIBARA BIOCHEM LAB·Filed 1999·Granted May 7, 2002·4 cites·5 claims
5043US5952204Aβ-fructofuranosidase, its preparation and usesHAYASHIBARA BIOCHEM LAB·Filed 1997·Granted Sep 14, 1999·3 cites·11 claims

Showing the top 50 of 71 patent records by PatentIndex Score.

Join the waitlist — get patent alerts

Get an alert when Hiroto Chaen 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 →