Inventor · disambiguated record
Kenji Okinaka
Also filed as: OKINAKA KENJI
23 granted patents·5 pending applications·244 citations·filing 1991–2010
96Inventor score
Top patents by PatentIndex Score
28 records- 0188US7220366B2Process for purifying contaminated soil or groundwater with iron particlesTODA KOGYO CORP·Filed 2006·Granted May 22, 2007·10 cites·28 claims
- 0288US7022256B2Iron particles for purifying contaminated soil or ground waterTODA KOGYO CORP·Filed 2002·Granted Apr 4, 2006·25 cites·14 claims
- 0385US8592085B2Nickel-cobalt-maganese-based compound particles and process for producing the nickel-cobalt-manganese-based compound particles, lithium composite oxide particles and process for producing the lithium composite oxide particles, and non-aqueous electrolyte secondary batteryKOBINO MASASHI·Filed 2010·Granted Nov 26, 2013·10 cites·8 claims
- 0478US6398863B1Spindle-shaped hematite particles and process for making spindle-shaped hematite particlesTODA KOGYO CORP·Filed 2001·Granted Jun 4, 2002·11 cites·8 claims
- 0577US5735969AMethod of producing acicular magnetic alloy particlesIMATION CORP·Filed 1996·Granted Apr 7, 1998·33 cites·13 claims
- 0676US5531922AGranulated particles for magnetic particles for magnetic recording, and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Jul 2, 1996·33 cites·20 claims
- 0775US5156922AAcicular magnetic iron based alloy particles for magnetic recording and method of producing the sameTODA KOGYO CORP·Filed 1991·Granted Oct 20, 1992·25 cites·10 claims
- 0871US6627313B2Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the sameTODA KOGYO CORP·Filed 2001·Granted Sep 30, 2003·8 cites·11 claims
- 0971US6391450B1Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic iron-based alloy particles, and process for producing the sameTODA KOGYO CORP·Filed 2000·Granted May 21, 2002·10 cites·25 claims
- 1071US5645652ASpindle-shaped magnetic iron-based alloy particles containing cobalt and iron as the main ingredients and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Jul 8, 1997·29 cites·15 claims
- 1167US6544673B1Spindle-shaped magnetic metal particles containing iron as main component and processes for producing the sameTODA KOGYO CORP·Filed 2001·Granted Apr 8, 2003·6 cites·9 claims
- 1261US5466306ASpindle-shaped magnetic iron based alloy particlesTODA KOGYO CORP·Filed 1993·Granted Nov 14, 1995·11 cites·4 claims
- 1357US2008314839A1Iron composite particles for purifying soil or ground water, process for producing the same, purifying agent containing the same, process for producing the purifying agent and method for purifying soil or ground waterTODA KOGYO CORP·Filed 2008·Application pending·0 cites
- 1452US2008156741A1Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the sameTODA KOGYO CORP·Filed 2008·Application pending·0 cites
- 1551US7351355B2Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the sameTODA KOGYO CORP·Filed 2004·Granted Apr 1, 2008·3 cites·6 claims
- 1651US6720094B2Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 2001·Granted Apr 13, 2004·1 cites·10 claims
- 1748US7482384B2Iron composite particles for purifying soil or ground water, process for producing the same, purifying agent containing the same, process for producing the purifying agent and method for purifying soil or ground waterTODA KOGYO CORP·Filed 2004·Granted Jan 27, 2009·0 cites·12 claims
- 1847US6753084B2Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording mediumTODA KOGYO CORP·Filed 2001·Granted Jun 22, 2004·7 cites·15 claims
- 1946US6309479B1Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main componentTODA KOGYO CORP·Filed 1999·Granted Oct 30, 2001·6 cites·8 claims
- 2045US5599378ASpindle-shaped magnetic iron based alloy particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Feb 4, 1997·6 cites·8 claims
- 2145US2006070958A1Purifying agent for purifying soil or ground water, process for producing the same, and method for purifying soil or ground water using the sameTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 2242US6783608B2Secondary agglomerates of magnetic metal particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 2002·Granted Aug 31, 2004·0 cites·9 claims
- 2339US2006081811A1Iron composite particles for purifying soil or ground water, purifying agent containing the iron composite particles, and method for purifying soil or ground waterTODA KOGYO CORP·Filed 2005·Application pending·0 cites
- 2438US6830635B2Spindle-shaped goethite particles, spindle-shaped hematite particles, spindle-shaped magnetic metal particles containing iron as main component and processes for producing the sameTODA KOGYO CORP·Filed 2001·Granted Dec 14, 2004·0 cites·6 claims
- 2535US5968226AProcess of making goethite or iron-based alloy particlesTODA KOGYO CORP·Filed 1996·Granted Oct 19, 1999·4 cites·14 claims
- 2634US5989516ASpindle-shaped geothite particlesTODA KOGYO CORP·Filed 1997·Granted Nov 23, 1999·4 cites·4 claims
- 2733US5238483AAcicular magnetic iron based alloy particles for magnetic recording and method of producing the sameTODA KOGYO CORP·Filed 1992·Granted Aug 24, 1993·2 cites·2 claims
- 2830US2001051129A1Spindle-shaped goethite particles and process for producing the sameFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →