Inventor · disambiguated record
Osamu Tajima
Also filed as: TAJIMA OSAMU
46 granted patents·7 pending applications·978 citations·filing 1977–2017
98Inventor score
Files withVICTOR COMPANY OF JAPAN22SANYO ELECTRIC CO11NIPPON KOKAN KK5MITSUMI ELECTRIC CO LTD4KIRIN BREWERY2
Top patents by PatentIndex Score
53 records- 0197US5334463AHybrid fuel battery system and the operation method thereofSANYO ELECTRIC CO·Filed 1992·Granted Aug 2, 1994·195 cites·14 claims
- 0294US6850820B2Distributed power generation system, and maintenance system and maintenance method utilizing the sameSANYO ELECTRIC CO·Filed 2002·Granted Feb 1, 2005·72 cites·17 claims
- 0393US4589103ATilt compensation tracking control system for optical discsVICTOR COMPANY OF JAPAN·Filed 1983·Granted May 13, 1986·46 cites·15 claims
- 0491USD267714SPre-recorded cartridge video/audio diskVICTOR COMPANY OF JAPAN·Filed 1980·Granted Jan 25, 1983·26 cites·1 claims
- 0588USD271688SPre-recorded cartridge video/audio diskVICTOR COMPANY OF JAPAN·Filed 1981·Granted Dec 6, 1983·22 cites·1 claims
- 0686US6894710B2Card recording apparatusJVC VICTOR CO JAPAN LTD·Filed 2003·Granted May 17, 2005·23 cites·2 claims
- 0786US4750162AOptical tracking system utilizing three photo-detectorsVICTOR COMPANY OF JAPAN·Filed 1986·Granted Jun 7, 1988·34 cites·9 claims
- 0885US4504938ADevice for feedback controlling focus of an optical system in an information recording/reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1982·Granted Mar 12, 1985·27 cites·27 claims
- 0984US4170783ASignal pickup device for reproducing an information signal recorded on a track of a rotary recording mediumVICTOR COMPANY OF JAPAN·Filed 1978·Granted Oct 9, 1979·24 cites·10 claims
- 1083US4640873ATemperature control system for fuel cell powerplantSANYO ELECTRIC CO·Filed 1986·Granted Feb 3, 1987·50 cites·3 claims
- 1183US4515351AMethod and apparatus for manufacturing non-fired iron-bearing pelletNIPPON KOKAN KK·Filed 1983·Granted May 7, 1985·21 cites·3 claims
- 1282US5026180AThermal ink-transfer printer capable of preventing off-registration of colors at color printingVICTOR COMPANY OF JAPAN·Filed 1988·Granted Jun 25, 1991·37 cites·7 claims
- 1381US4674070AOptical type disc with V-shaped groove and optical type reproducing apparatus thereforVICTOR COMPANY OF JAPAN·Filed 1985·Granted Jun 16, 1987·26 cites·10 claims
- 1478USD556130SBattery protection circuit moduleMITSUMI ELECTRIC CO LTD·Filed 2004·Granted Nov 27, 2007·22 cites·1 claims
- 1576US6080500AMovable fuel cell apparatusSANYO ELECTRIC CO·Filed 1998·Granted Jun 27, 2000·63 cites·20 claims
- 1675US7105946B2Distributed power generation system, and power supply system and power supply method utilizing the sameSANYO ELECTRIC CO·Filed 2002·Granted Sep 12, 2006·39 cites·9 claims
- 1771USD556687SCircuit module for protecting the batteryMITSUMI ELECTRIC CO LTD·Filed 2006·Granted Dec 4, 2007·21 cites·1 claims
- 1871US5541015AFuel cell using a separate gas cooling methodSANYO ELECTRIC CO·Filed 1994·Granted Jul 30, 1996·47 cites·19 claims
- 1970US4686157AFuel cell power systemSANYO ELECTRIC CO·Filed 1986·Granted Aug 11, 1987·30 cites·4 claims
- 2069US4160268ASignal pickup device with tracking control and jitter compensation for a video discVICTOR COMPANY OF JAPAN·Filed 1978·Granted Jul 3, 1979·25 cites·10 claims
- 2168US9316418B2Apparatus for achieving cryogenic temperature in movable systemKEK HIGH ENERGY ACCELERATOR·Filed 2014·Granted Apr 19, 2016·1 cites·9 claims
- 2265US7745956B2Grid interconnection device, grid interconnection system and transfer trip systemSANYO ELECTRIC CO·Filed 2007·Granted Jun 29, 2010·7 cites·5 claims
- 2365US7507487B2Solid polymer fuel cell with reactant air humidified by a processed water tankSANYO ELECTRIC CO·Filed 2001·Granted Mar 24, 2009·6 cites·28 claims
- 2465US4352174ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Sep 28, 1982·13 cites·8 claims
- 2564US4387454ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Jun 7, 1983·12 cites·8 claims
- 2663US4468253AMethod and apparatus for continuously manufacturing non-sintered pelletNIPPON KOKAN KK·Filed 1983·Granted Aug 28, 1984·11 cites·4 claims
- 2763US4360845ACase for a disc-shaped recording mediumVICTOR COMPANY OF JAPAN·Filed 1981·Granted Nov 23, 1982·12 cites·13 claims
- 2860US2010105766A1Composition for inhibition or prevention of bone density reductionKIRIN BREWERY·Filed 2009·Application pending·0 cites
- 2959US7101636B2Fuel cell systemSANYO ELECTRIC CO·Filed 2001·Granted Sep 5, 2006·3 cites·2 claims
- 3059US4678856AMethod of manufacturing aromatic urethane and intermediate product thereofNIPPON KOKAN KK·Filed 1986·Granted Jul 7, 1987·5 cites·9 claims
- 3153US5045868AOptical recording apparatus for varying pit width according to recording wavelengthVICTOR COMPANY OF JAPAN·Filed 1989·Granted Sep 3, 1991·8 cites·4 claims
- 3252US2007059393A1Composition for inhibition or prevention of bone densityKIRIN BREWERY·Filed 2004·Application pending·0 cites
- 3351US4380780ADisc-shaped recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Apr 19, 1983·7 cites·7 claims
- 3450USD554587SCircuit module for protecting the batteryMITSUMI ELECTRIC CO LTD·Filed 2007·Granted Nov 6, 2007·7 cites·1 claims
- 3550US4124217ASignal pick-up apparatus for reproducing a recording discVICTOR COMPANY OF JAPAN·Filed 1977·Granted Nov 7, 1978·6 cites·10 claims
- 3649US2007298287A1Circuit board device and battery packTAJIMA OSAMU·Filed 2007·Application pending·0 cites
- 3744US2008094032A1Circuit moduleMIYAMOTO YOSHIAKI·Filed 2007·Application pending·0 cites
- 3843US2007158830A1Circuit moduleMIYAMOTO YOSHIAKI·Filed 2006·Application pending·0 cites
- 3942USD573115SCircuit moduleMITSUMI ELECTRIC CO LTD·Filed 2006·Granted Jul 15, 2008·4 cites·1 claims
- 4042US2011299209A1Battery protection moduleTAJIMA OSAMU·Filed 2011·Application pending·0 cites
- 4142US2004126288A1Hydrogen generator for fuel cellFiled 2003·Application pending·0 cites
- 4241US4419709ACase for a disc-shaped recording mediumVICTOR COMPANY OF JAPAN·Filed 1981·Granted Dec 6, 1983·4 cites·5 claims
- 4341US4360909ASignal pickup device in a rotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1980·Granted Nov 23, 1982·4 cites·8 claims
- 4438US4410976ASignal pickup device in a rotary recording medium reproducing apparatusVICTOR COMPANY OF JAPAN·Filed 1981·Granted Oct 18, 1983·3 cites·7 claims
- 4537US7052787B2Solid high polymer type fuel cell power generating deviceSANYO ELECTRIC CO·Filed 2002·Granted May 30, 2006·0 cites·26 claims
- 4637US4699994AMethod of manufacturing diphenylmethane dicarbamic acid diestersNIPPON KOKAN KK·Filed 1986·Granted Oct 13, 1987·1 cites·11 claims
- 4735US10816407B2Radiometry deviceINTER UNIV RESEARCH INSTITUTE CORPORATION HIGH ENERGY ACCELERATOR RESEARCH ORGANIZATION·Filed 2017·Granted Oct 27, 2020·0 cites·4 claims
- 4835US6302529B1Electrostatic ink-jet printerVICTOR COMPANY OF JAPAN·Filed 1999·Granted Oct 16, 2001·3 cites·6 claims
- 4935US5597251AColor printerVICTOR COMPANY OF JAPAN·Filed 1995·Granted Jan 28, 1997·4 cites·6 claims
- 5031US5052831ADevice for exact registration of monochrome images of a color reproduction in a thermal ink transfer printerVICTOR COMPANY OF JAPAN·Filed 1990·Granted Oct 1, 1991·1 cites·11 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →