Inventor · disambiguated record
Jun Takehara
Also filed as: TAKEHARA JUN
14 granted patents·6 pending applications·136 citations·filing 1996–2023
89Inventor score
Files withMITSUBISHI CHEM CORP8API CORP6ASUMA YUUKI1JAPAN SCIENCE & TECH CORP1MITSUBISHI CHEMICAL GROUP SCIENCE AND TECHNOLOGY RES CT INC1
Top patents by PatentIndex Score
20 records- 0189US6184381B1Process for preparing optically active compoundsJAPAN SCIENCE & TECH CORP·Filed 1996·Granted Feb 6, 2001·94 cites·12 claims
- 0288US11897844B2Method for producing amino acid derivativesAPI CORP·Filed 2019·Granted Feb 13, 2024·4 cites·3 claims
- 0384US6887820B1Method for producing optically active compoundsTAKASAGO PERFUMERY CO LTD·Filed 2000·Granted May 3, 2005·30 cites·9 claims
- 0483US12281074B2Method for producing amino acid derivativesUBE CORP·Filed 2023·Granted Apr 22, 2025·0 cites·3 claims
- 0581US12202800B2Method for producing amino acid derivativesAPI CORP·Filed 2023·Granted Jan 21, 2025·0 cites·3 claims
- 0673US9061991B2Method for producing 1-amino-1-alkoxycarbonyl-2-vinylcyclopropaneASUMA YUUKI·Filed 2011·Granted Jun 23, 2015·3 cites·18 claims
- 0768US9790181B2Method for producing 5-hydroxypiperidine-2-carboxylic acidAPI CORP·Filed 2014·Granted Oct 17, 2017·0 cites·12 claims
- 0863US10703719B2Method for producing 5-hydroxypiperidine-2-carboxylic acidAPI CORP·Filed 2018·Granted Jul 7, 2020·0 cites·13 claims
- 0962US10370330B2Method for producing 5-hydroxypiperidine-2-carboxylic acidAPI CORP·Filed 2018·Granted Aug 6, 2019·0 cites·2 claims
- 1062US2024100504A1Synthetic adsorbent, antibody purification method, and antibody production methodMITSUBISHI CHEM CORP·Filed 2023·Application pending·0 cites
- 1161US9988351B2Method for producing 5-hydroxypiperidine-2-carboxylic acidAPI CORP·Filed 2017·Granted Jun 5, 2018·0 cites·2 claims
- 1259US2022017672A1Polymer, separating agent, production method of polymer, separation method of compound, and production method of compoundMITSUBISHI CHEM CORP·Filed 2021·Application pending·0 cites
- 1354US7659409B23-Hydroxy-3-(2-thienyl) propionamides and production method thereof, and production method of 3-amino-1-(2-thienyl)-1-propanols using the sameMITSUBISHI CHEM CORP·Filed 2004·Granted Feb 9, 2010·3 cites·7 claims
- 1454US6531594B2Process for producing 1H-3-aminopyrrolidine and derivatives thereofMITSUBISHI CHEM CORP·Filed 2001·Granted Mar 11, 2003·1 cites·31 claims
- 1552US2021107938A1Polypeptide separation method, polypeptide production method, and polypeptide purification deviceMITSUBISHI CHEM CORP·Filed 2020·Application pending·0 cites
- 1649US2011009615A1Method for producing a steroid compoundMITSUBISHI CHEMICAL GROUP SCIENCE AND TECHNOLOGY RES CT INC·Filed 2010·Application pending·0 cites
- 1746US2006252948A1Production method of steroid compoundTAKEHARA JUN·Filed 2005·Application pending·0 cites
- 1846US2010063272A1Method for producing steroid compoundMITSUBISHI CHEM CORP·Filed 2007·Application pending·0 cites
- 1938US5847205AMethod for producing homocystineMITSUBISHI CHEM CORP·Filed 1997·Granted Dec 8, 1998·1 cites·9 claims
- 2027US6077971AMethod for purifying homocystineMITSUBISHI CHEM CORP·Filed 1998·Granted Jun 20, 2000·0 cites·17 claims
Join the waitlist — get patent alerts
Get an alert when Jun Takehara 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 →