Inventor · disambiguated record
Hiroyuki Chiba
Also filed as: CHIBA HIROYUKI
10 granted patents·2 pending applications·62 citations·filing 1988–2018
87Inventor score
Top patents by PatentIndex Score
12 records- 0194US9695188B2Methods useful in the synthesis of halichondrin B analogsEISAI R&D MAN CO LTD·Filed 2016·Granted Jul 4, 2017·17 cites·14 claims
- 0293US10030032B2Methods useful in the synthesis of halichondrin B analogsEISAI R&D MAN CO LTD·Filed 2017·Granted Jul 24, 2018·13 cites·19 claims
- 0391US10450324B2Methods useful in the synthesis of halichondrin B analogsEISAI R&D MAN CO LTD·Filed 2018·Granted Oct 22, 2019·9 cites·17 claims
- 0478US7084268B1Carbapenem compound crystals and interjection preparationsEISAI CO LTD·Filed 2000·Granted Aug 1, 2006·10 cites·1 claims
- 0573US6642377B1Process for the preparation of basic antibiotic-inorganic acid addition salts and intermediate oxalatesEISAI CO LTD·Filed 2000·Granted Nov 4, 2003·7 cites·13 claims
- 0668US7767812B2Crystals of pyrimidine compound and process for producing the sameEISAI R&D MAN CO LTD·Filed 2008·Granted Aug 3, 2010·0 cites·3 claims
- 0759US7538117B2Crystalline and amorphous pyrimidine compounds and processes for preparing pyrimidine compoundsEISAI R&D MAN CO LTD·Filed 2006·Granted May 26, 2009·0 cites·3 claims
- 0855US7396928B2Crystals of 5-[2-amino-4-(2-furyl) pyrimidin-5-yl]-1-methylpyridin-2(1H)-one and processes for preparing the sameEISAI R&D MAN CO LTD·Filed 2006·Granted Jul 8, 2008·0 cites·4 claims
- 0952US2006040916A1Carbapenem compound crystals and injection preparationsEISAI CO LTD·Filed 2005·Application pending·0 cites
- 1044US4933439ATylosin derivatives and processes for producing the sameSANRAKU INC·Filed 1988·Granted Jun 12, 1990·6 cites·7 claims
- 1138US2004236118A1Pyrrolidine derivatives and method of synthesizing theseFiled 2002·Application pending·0 cites
- 1228US5232943AAntibiotics mer-af1032a and mer-af1032bMERCIAN CORP·Filed 1992·Granted Aug 3, 1993·0 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Hiroyuki Chiba 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 →