Inventor · disambiguated record
Toshitaka Nakajima
Also filed as: NAKAJIMA TOSHITAKA
11 granted patents·1 pending application·229 citations·filing 1974–2019
91Inventor score
Files with3M INNOVATIVE PROPERTIES CO5NAKAJIMA TOSHITAKA3MINNESOTA MINING & MFG2FUJI ELECTRIC CO LTD1HOYA CORP1
Top patents by PatentIndex Score
12 records- 0182US6048069AWide angle image-displaying sheet and system3M INNOVATIVE PROPERTIES CO·Filed 1999·Granted Apr 11, 2000·51 cites·17 claims
- 0277US8496339B2Transparent, wavelength-selective retroreflectorNAKAJIMA TOSHITAKA·Filed 2006·Granted Jul 30, 2013·9 cites·13 claims
- 0375US9519087B2Prismatic retroreflective sheeting with reduced retroreflectivity of infra-red lightNAKAJIMA TOSHITAKA·Filed 2010·Granted Dec 13, 2016·8 cites·38 claims
- 0474US5818640ASign illumination system and methodMINNESOTA MINING & MFG·Filed 1995·Granted Oct 6, 1998·53 cites·11 claims
- 0574US4652536ATellurite glassHOYA CORP·Filed 1986·Granted Mar 24, 1987·31 cites·6 claims
- 0674US3938014ABrushless d-c motorFUJI ELECTRIC CO LTD·Filed 1974·Granted Feb 10, 1976·19 cites·8 claims
- 0772US5777790AMicrosphere-based retroreflective articleMINNESOTA MINING & MFG·Filed 1995·Granted Jul 7, 1998·40 cites·10 claims
- 0870US9110235B2Retroreflective sheeting and license plate with reduced retroreflectivity at high entrance anglesNAKAJIMA TOSHITAKA·Filed 2010·Granted Aug 18, 2015·3 cites·23 claims
- 0959US10406998B2Sheet for license plate, laminate for license plate, and license plate3M INNOVATIVE PROPERTIES CO·Filed 2013·Granted Sep 10, 2019·0 cites·11 claims
- 1052US2019366949A1Sheet for license plate, laminate for license plate, and license plate3M INNOVATIVE PROPERTIES CO·Filed 2019·Application pending·0 cites
- 1146US10365418B2Retroreflective sheet, license plate, and manufacturing method thereof3M INNOVATIVE PROPERTIES CO·Filed 2015·Granted Jul 30, 2019·0 cites·10 claims
- 1246US6120879ADual use reflective article3M INNOVATIVE PROPERTIES CO·Filed 1998·Granted Sep 19, 2000·15 cites·21 claims
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