Inventor · disambiguated record
Keiji Iimura
Also filed as: IIMURA KEIJI
14 granted patents·5 pending applications·912 citations·filing 1997–2011
95Inventor score
Files withIIMURA KEIJI7
Top patents by PatentIndex Score
19 records- 0195US7532800B2Light guide unitIIMURA KEIJI·Filed 2007·Granted May 12, 2009·59 cites·23 claims
- 0295US7218830B2Surface illuminator using point light sourceIIMURA KEIJI·Filed 2005·Granted May 15, 2007·74 cites·20 claims
- 0395US6361180B1Light diffusing apparatus using light guideFiled 2000·Granted Mar 26, 2002·80 cites·66 claims
- 0495US6094767ACleaning apparatus using photocatalystFiled 1998·Granted Aug 1, 2000·146 cites·20 claims
- 0594US6675425B1Photocatalytic apparatus and method for activating photocatalytic materialFiled 2000·Granted Jan 13, 2004·85 cites·30 claims
- 0694US5913594AFlat panel light source device and passive display device utilizing the light source deviceFiled 1997·Granted Jun 22, 1999·101 cites·21 claims
- 0791US6239442B1Cleaning apparatus using ultraviolet raysFiled 1998·Granted May 29, 2001·109 cites·20 claims
- 0891US6036329AFlat light source and passive display utilizing bypass light guideFiled 1999·Granted Mar 14, 2000·75 cites·25 claims
- 0988US8506103B2Semiconductor lamp and light bulb type LED lampIIMURA KEIJI·Filed 2011·Granted Aug 13, 2013·32 cites·20 claims
- 1082US6501893B1Photocatalytic optical fibers and apparatus using the optical fibersFiled 2000·Granted Dec 31, 2002·26 cites·31 claims
- 1180US6771866B2Photocatalyst apparatus, method of manufacture thereof and photocatalyst reactorFiled 2002·Granted Aug 3, 2004·22 cites·47 claims
- 1279US6238630B1Photocatalyst device and photocatalyst reactorFiled 1998·Granted May 29, 2001·41 cites·8 claims
- 1370US6108476AOptical fiber with photocatalyst and method for activating the sameFiled 1998·Granted Aug 22, 2000·36 cites·20 claims
- 1469US6039452AFlat light source with U-shaped configurationFiled 1999·Granted Mar 21, 2000·26 cites·30 claims
- 1549US2007264898A1Method for making discharge fluorescent apparatus including fluorescent fibersIIMURA KEIJI·Filed 2007·Application pending·0 cites
- 1648US2008236183A1Refrigerator having photocatalystIIMURA KEIJI·Filed 2008·Application pending·0 cites
- 1746US2007080623A1Stress luminescent device using stress luminescent materialIIMURA KEIJI·Filed 2006·Application pending·0 cites
- 1842US2001007507A1Photocatalytic panel and method for activating sameFiled 2001·Application pending·0 cites
- 1941US2006113885A1Discharge fluorescen apparatus including fluorescent fibersIIMURA KEIJI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →