Takashi Isoda

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Removable cap of writing instrument
- Patent number 5,061,105
- Issue date Oct 29, 1991
- Mitsubishi Pencil Co., Ltd.
- Takashi Isoda
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Removable cap attached to a writing instrument
- Patent number 5,000,604
- Issue date Mar 19, 1991
- Mitsubishi Pencil Co., Ltd.
- Takashi Isoda
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Removable cap of writing instrument
- Patent number 5,000,603
- Issue date Mar 19, 1991
- Mitsubishi Pencil Co., Ltd.
- Takashi Isoda
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES