Yoshio Midorikawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repellent cloth using fluoroplastic fibers
- Patent number 5,925,580
- Issue date Jul 20, 1999
- Toyo Polymer Co., Ltd.
- Yoshio Midorikawa
- D03 - WEAVING
Information Patent Grant
Method for producing a gripping stick
- Patent number 5,073,220
- Issue date Dec 17, 1991
- Tohyo Porimah Kabushikigaisha
- Yoshio Midorikawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Display-reproducing apparatus
- Patent number 4,751,584
- Issue date Jun 14, 1988
- Tokyo Polymer Co., Ltd.
- Yoshio Midorikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Retractable capless marking pen
- Patent number 4,540,300
- Issue date Sep 10, 1985
- Toyo Polymer Co., Ltd.
- Yoshio Midorikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Nib-type writing pen and method of manufacture
- Patent number 4,287,146
- Issue date Sep 1, 1981
- Yoshio Midorikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Method of manufacturing a marking pen having a nib and an ink reser...
- Patent number 4,104,781
- Issue date Aug 8, 1978
- Glasrock Products, Inc.
- Yoshio Midorikawa
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES