Inventor · disambiguated record
Tatsuya Ozu
Also filed as: OZU TATSUYA
8 granted patents·87 citations·filing 1985–2001
86Inventor score
Files withSAKURA COLOR PROD CORP8
Top patents by PatentIndex Score
8 records- 0174US6474887B2ApplicatorSAKURA COLOR PROD CORP·Filed 2001·Granted Nov 5, 2002·14 cites·20 claims
- 0261US6521692B1Molded resin article and ink applicators such as ball-point pensSAKURA COLOR PROD CORP·Filed 2000·Granted Feb 18, 2003·4 cites·33 claims
- 0361US5297883ALiquid applicator with drying prevention agentSAKURA COLOR PROD CORP·Filed 1992·Granted Mar 29, 1994·23 cites·12 claims
- 0460US5022775AWriting inplement with magnetic closureSAKURA COLOR PROD CORP·Filed 1990·Granted Jun 11, 1991·21 cites·29 claims
- 0547US6283662B1Ink applicator, ink backflow prevention mechanism of ink applicator, and a pen tipSAKURA COLOR PROD CORP·Filed 1998·Granted Sep 4, 2001·9 cites·29 claims
- 0642US4911571ADevice for preventing drying of ink in writing instrumentSAKURA COLOR PROD CORP·Filed 1985·Granted Mar 27, 1990·8 cites·7 claims
- 0738US5348411AWriting implement and a fabricating method thereofSAKURA COLOR PROD CORP·Filed 1994·Granted Sep 20, 1994·7 cites·11 claims
- 0830USD457188SCap for a writing instrumentSAKURA COLOR PROD CORP·Filed 2001·Granted May 14, 2002·1 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →