Inventor · disambiguated record
Shigeru Takagi
Also filed as: TAKAGI SHIGERU
21 granted patents·837 citations·filing 1976–2003
97Inventor score
Top patents by PatentIndex Score
21 records- 0197US4535589AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1984·Granted Aug 20, 1985·96 cites·15 claims
- 0295US4436538AFilter for cleaning exhaust gases from diesel engineNIPPON SOKEN·Filed 1982·Granted Mar 13, 1984·51 cites·7 claims
- 0394US4450682ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1983·Granted May 29, 1984·83 cites·11 claims
- 0494US4279864AMonolithic catalyst converterNIPPON SOKEN·Filed 1979·Granted Jul 21, 1981·68 cites·4 claims
- 0593US4523935AElectrical heater retained in a porous ceramic structureNIPPON SOKEN·Filed 1982·Granted Jun 18, 1985·67 cites·6 claims
- 0692US4485622AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Dec 4, 1984·74 cites·9 claims
- 0785US4695300ARadial flow type dust collecting filterNIPPON SOKEN·Filed 1986·Granted Sep 22, 1987·54 cites·5 claims
- 0885US4492079AMethod and apparatus for detecting degree of clogging in particle trapping member of internal combustion engineNIPPON SOKEN·Filed 1982·Granted Jan 8, 1985·53 cites·7 claims
- 0983US4441899ADust collecting filterNIPPON SOKEN·Filed 1981·Granted Apr 10, 1984·37 cites·7 claims
- 1078US6846022B2Universal jointDAISEN CO LTD·Filed 2003·Granted Jan 25, 2005·24 cites·9 claims
- 1175US5455971AWater-closet bowl automatic flushing systemINAX CORP·Filed 1993·Granted Oct 10, 1995·40 cites·3 claims
- 1273US4386497AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Jun 7, 1983·37 cites·12 claims
- 1373US4084839AGas bag protection apparatus for vehiclesNIPPON SOKEN·Filed 1976·Granted Apr 18, 1978·23 cites·16 claims
- 1469US7020650B2Information processing system for e-mail, information processing method and program storage medium thereforSONY CORP·Filed 2001·Granted Mar 28, 2006·27 cites·6 claims
- 1563US4528008ADust collecting filterNIPPON SOKEN·Filed 1984·Granted Jul 9, 1985·17 cites·7 claims
- 1663US4459805ACombustion burner apparatusNIPPON SOKEN·Filed 1981·Granted Jul 17, 1984·27 cites·9 claims
- 1758US4540535AMethod for producing a ceramic filter for cleaning exhaust gases from a diesel engineNIPPON SOKEN·Filed 1984·Granted Sep 10, 1985·12 cites·15 claims
- 1855US4404798AExhaust gas cleaning device for internal combustion engineNIPPON SOKEN·Filed 1981·Granted Sep 20, 1983·21 cites·13 claims
- 1948US4450681ACarbon particulates cleaning device for diesel engineNIPPON SOKEN·Filed 1983·Granted May 29, 1984·15 cites·13 claims
- 2040US5109887AMultiway valveINAX CORP·Filed 1990·Granted May 5, 1992·11 cites·8 claims
- 2129US4402655AVane pump with symmetrical inclined fluid confinement initiating lineNIPPON SOKEN·Filed 1980·Granted Sep 6, 1983·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Shigeru Takagi 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 →