Tatsuya Ozu

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Molded resin article and ink applicators such as ball-point pens
- Patent number 6,521,692
- Issue date Feb 18, 2003
- Sakura Color Products Corporation
- Tatsuya Ozu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Applicator
- Patent number 6,474,887
- Issue date Nov 5, 2002
- Sakura Color Products Corporation
- Tatsuya Ozu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ink applicator, ink backflow prevention mechanism of ink applicator...
- Patent number 6,283,662
- Issue date Sep 4, 2001
- Sakura Color Products Corporation
- Shigeyasu Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing implement and a fabricating method thereof
- Patent number 5,348,411
- Issue date Sep 20, 1994
- Kabushiki Kaisha Sakura Kurepasu
- Tatsuya Ozu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Liquid applicator with drying prevention agent
- Patent number 5,297,883
- Issue date Mar 29, 1994
- Kabushiki Kaisha Sakura Kurepasu
- Tatsuya Ozu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing inplement with magnetic closure
- Patent number 5,022,775
- Issue date Jun 11, 1991
- Kabushiki Kaisha Sakura Kurepasu
- Shigeyasu Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Device for preventing drying of ink in writing instrument
- Patent number 4,911,571
- Issue date Mar 27, 1990
- Sakura Color Products Corporation
- Shigeyasu Inoue
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Tatsuya Ozu

Person

Patents Grantslast 30 patents

Molded resin article and ink applicators such as ball-point pens

Applicator

Ink applicator, ink backflow prevention mechanism of ink applicator...

Writing implement and a fabricating method thereof

Liquid applicator with drying prevention agent

Writing inplement with magnetic closure

Device for preventing drying of ink in writing instrument