Inventor · disambiguated record
John Birch
Also filed as: BIRCH JOHN · BIRCH JOHN R · BIRCH JOHN ROBERT
5 granted patents·3 pending applications·263 citations·filing 1976–2012
82Inventor score
Top patents by PatentIndex Score
8 records- 0192US5672502AAnimal cell cultureCELLTECH THERAPEUTICS LTD·Filed 1995·Granted Sep 30, 1997·196 cites·18 claims
- 0285US4343904AProcess and apparatus for growing animal cellsSEARLE & CO·Filed 1980·Granted Aug 10, 1982·38 cites·3 claims
- 0375US4038139ACell culture mediumSEARLE & CO·Filed 1976·Granted Jul 26, 1977·22 cites·5 claims
- 0452US2005084928A1Glutamine-auxothrophic human cells capable of producing proteins and capable of growing in a glutamine-free mediumFiled 2003·Application pending·0 cites
- 0549US7439037B2Use of aminoglycoside resistance geneAL-RUBEAI MOHAMED·Filed 2002·Granted Oct 21, 2008·1 cites·8 claims
- 0644US4748123AContinuous fermentation deviceCELLTECH LTD·Filed 1986·Granted May 31, 1988·6 cites·10 claims
- 0744US2012190069A1Glutamine-auxothrophic human cells capable of producing proteins and capable of growing in a glutamine-free mediumBIRCH JOHN·Filed 2012·Application pending·0 cites
- 0840US2003013141A1Process for the discrimination of igg-producing cells from non-igg-producing cellsFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →