Setagawa
Yosuke Setagawa, Gunma JP
Patent application number | Description | Published |
---|---|---|
20120057218 | LIQUID FOR ELECTROPHORETIC DISPLAY AND ELECTROPHORETIC DISPLAY DEVICE AND ELECTRONIC DEVICE PREPARERD USING THE SAME - A liquid for electrophoretic display which makes it possible to display a black color having a low reflectance or a color having a high color saturation and a white color having a high reflectance and display them at high contrast and which inhibits coagulation of white fine particles and is excellent in stability can be prepared by using a liquid for electrophoretic display containing at least white fine particles, resin particles colored by a dye and/or a pigment and a liquid phase dispersion medium, wherein fine particles in which a difference in a refractive index from the liquid phase dispersion medium is 0 to 0.05 are contained and have an average particle diameter of 50 to 500 nm. | 03-08-2012 |
Yosuke Setagawa, Fujioka-Shi JP
Patent application number | Description | Published |
---|---|---|
20140150203 | ERASING MEMBER AND ERASING TOOL USING THE SAME - Provided are an erasing member which is excellent in erasability for handwritings written by means of a pencil, a mechanical pencil and the like and which does not produce eraser dusts, and an erasing tool in which a part to be erased can be visually recognized in erasing. | 06-05-2014 |
Yosuke Setagawa, Fujioka-Shi, Gunma JP
Patent application number | Description | Published |
---|---|---|
20150298489 | WRITING INSTRUMENT - Provided is a writing instrument suited to ballpoint pens, marking pens and the like in which a flow pressure of an ink applied to a pen tip is controlled to a fixed level to prevent an ink direct flow phenomenon reverse flow phenomenon. The above writing instrument comprises a pen tip disposed at a front part of an ink tank, an ink received in the ink tank, a follower filled at a rear part of the ink, and a capillary porous member provided with a capillary force, which is arranged at a space part between a rear part of the follower and a rear end part of the ink tank in a state in which the follower is filled, wherein the pen tip is sealed when a cap is put on the writing instrument. | 10-22-2015 |