Makoto Fukushima

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Kawagoe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Direct-feed ballpoint writing implement
- Patent number 6,755,587
- Issue date Jun 29, 2004
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Direct liquid type writing instrument
- Patent number 6,599,046
- Issue date Jul 29, 2003
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ballpoint tip for ballpoint liquid container
- Patent number 6,220,774
- Issue date Apr 24, 2001
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with check valve means
- Patent number 5,868,512
- Issue date Feb 9, 1999
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Cap for writing instrument
- Patent number 5,762,435
- Issue date Jun 9, 1998
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Direct-feed ballpoint writing implement
- Publication number 20040081506
- Publication date Apr 29, 2004
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
DIRECT LIQUID TYPE WRITING INSTRUMENT
- Publication number 20030099501
- Publication date May 29, 2003
- Kotobuki & Co., Ltd.
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Ink reservoir for writing refill
- Publication number 20020118264
- Publication date Aug 29, 2002
- Makoto Fukushima
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES