Yasuyuki Hashimoto

Person

Nishinomiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Writing instrument operated by a finger at a holding position
- Patent number 6,095,706
- Issue date Aug 1, 2000
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Capless writing tool
- Patent number 5,915,867
- Issue date Jun 29, 1999
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with drying-preventing mechanism
- Patent number 5,048,990
- Issue date Sep 17, 1991
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil having an automatic lead extending mechanism
- Patent number 4,979,839
- Issue date Dec 25, 1990
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Valve operating mechanism
- Patent number 4,966,483
- Issue date Oct 30, 1990
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil with a fluid actuator
- Patent number 4,911,569
- Issue date Mar 27, 1990
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with sealing cap and additional rearward seal
- Patent number 4,629,348
- Issue date Dec 16, 1986
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with movable closure and second sealing means
- Patent number 4,575,271
- Issue date Mar 11, 1986
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil with self-contained insert
- Patent number 4,544,295
- Issue date Oct 1, 1985
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument with sealing tip
- Patent number 4,469,462
- Issue date Sep 4, 1984
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil
- Patent number 4,382,706
- Issue date May 10, 1983
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil
- Patent number 4,362,410
- Issue date Dec 7, 1982
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil with chuck closing by normal writing grip
- Patent number 4,358,210
- Issue date Nov 9, 1982
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil with chuck closing by normal writing grip
- Patent number 4,270,870
- Issue date Jun 2, 1981
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil
- Patent number 4,269,524
- Issue date May 26, 1981
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Mechanical pencil
- Patent number 4,218,153
- Issue date Aug 19, 1980
- Ancos Co., Ltd.
- Yasuyuki Hashimoto
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Yasuyuki Hashimoto

Person

Patents Grantslast 30 patents

Writing instrument operated by a finger at a holding position

Capless writing tool

Writing instrument with drying-preventing mechanism

Mechanical pencil having an automatic lead extending mechanism

Valve operating mechanism

Mechanical pencil with a fluid actuator

Writing instrument with sealing cap and additional rearward seal

Writing instrument with movable closure and second sealing means

Mechanical pencil with self-contained insert

Writing instrument with sealing tip

Mechanical pencil

Mechanical pencil

Mechanical pencil with chuck closing by normal writing grip

Mechanical pencil with chuck closing by normal writing grip

Mechanical pencil

Mechanical pencil