Writing implement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 14, 2006
Grant Date -
May 1, 2003
app pub date -
Mar 22, 2001
filing date -
Mar 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Liquid-for-ink (50) and a main part of colorant (60) for coloring the liquid-for-ink (50) are separately stored within a writing implement. The writing implement is so fabricated that the colorant (60) is added to the liquid-for-ink (50) while the liquid-for-ink (50) is introduced to a writing tip (70).
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
JP | A | JP2001260586 | Mar 22, 2000 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Published unexamined patent application | WRITING UTENSIL | Sep 25, 2001 | |||
JP | A | JP2002166690 | Dec 01, 2000 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Published unexamined patent application | WRITING UTENSIL | Jun 11, 2002 | |||
JP | A | JP2002166691 | Dec 01, 2000 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
Published unexamined patent application | WRITING UTENSIL | Jun 11, 2002 | |||
EP | A1 | EP1266770 | Mar 22, 2001 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
APPLICATION PUBLISHED WITH SEARCH REPORT | WRITING IMPLEMENT | Dec 18, 2002 | |||
CA | A1 | CA2403819 | Mar 22, 2001 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
APPLICATION LAID OPEN | WRITING IMPLEMENT | Sep 20, 2002 | |||
KR | B1 | KR100720698 | Mar 22, 2001 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
PATENT SPECIFICATION | WRITING IMPLEMENT | May 21, 2007 | |||
AU | A1 | AU2001242755 | Mar 22, 2001 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
OPEN TO PUBLIC INSPECTION | Writing implement | Oct 03, 2001 | |||
CN | C | CN1263612 | Mar 22, 2001 | Patent | Grant |
Type : Patent Sub-Type : Grant | |||||
GRANTED PATENT FOR INVENTION | Writing implement | Jul 12, 2006 | |||
WO | A1 | WO2001070515 | Mar 22, 2001 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | WRITING IMPLEMENT | Sep 27, 2001 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
MITSUBISHI PENCIL KABUSHIKIKAISHA | 23-37 HIGASHIOOI 5-CHOME SHINAGAWA-KU TOKYO 140-0011 |
International Classification(s)

- 2001 Application Filing Year
- B43K Class
- 168 Applications Filed
- 39 Patents Issued To-Date
- 23.22 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Iida, Hisashi | Yokohama, JP | 77 | 1161 |
# of filed Patents : 77 Total Citations : 1161 | |||
Okumura, Shigeru | Yokohama, JP | 4 | 40 |
# of filed Patents : 4 Total Citations : 40 |
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Patent Citation Ranking
- 3 Citation Count
- B43K Class
- 2.33 % this patent is cited more than
- 19 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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