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For the Inventor, By the Inventor

Tokyo, Japan

Tetsuya Ashida

USPTO Granted Patents = 12

Average Co-Inventor Count = 1.9

ph-index = 7

Forward Citations = 180(Granted Patents)


Location History:

  • Seattle, WA (US) (1993)
  • Nagaokakyo, JP (1999)
  • Tokyo, JP (1989 - 2004)

Company Filing History:

goldMedal12 out of 622 
 
Mitsubishi Paper Mills Limited
 patents
silverMedal1 out of 2,346 
 
Mitsubishi Chemical Corporation
 patents
bronzeMedal1 out of 2 
 
Hakugen Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1989-2004

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12 patents (USPTO):Explore Patents
1. 6773771 - Ink-jet recording sheet (2004-08-10),
2. 6613416 - Ink-jet recording material (2003-09-02),
3. 6403162 - Silica dispersion, method for preparing the same and method for making ink-jet recording material using the same (2002-06-11),
4. 6357871 - Ink jet recording medium, apparatus for preparing an ink jet printed product, and ink jet printed product (2002-03-19),
5. 6200706 - Nonwoven fabric for separator of non-aqueous electrolyte battery and non-aqueous electrolyte battery using the same (2001-03-13),
6. 5891811 - Indicator material (1999-04-06),
7. 5824462 - Resin-coated paper (1998-10-20),
8. 5182161 - Support for photosensitive materials (1993-01-26),
9. 5106818 - Receiving sheet for heat transfer recording (1992-04-21),
10. 5100770 - Support for photographic materials (1992-03-31),
11. 5008150 - Photographic support with an undercoating layer on a resin coated base (1991-04-16),
12. 4870001 - Silver halide photographic paper having developer in the emulsion layer (1989-09-26),

Title: Tetsuya Ashida: Innovator in Ink-Jet Technology

Introduction

Tetsuya Ashida is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of ink-jet technology, holding a total of 12 patents. His innovative work has advanced the capabilities of ink-jet printing materials, making them more efficient and effective.

Latest Patents

Among his latest patents, Ashida has developed an ink-jet recording sheet that comprises a support and at least one ink-receptive layer. This layer contains silica fine particles with an average primary particle diameter of 20 nm or less, along with a water-soluble polyvalent metal compound. Additionally, he has created an ink-jet recording material that features a polyolefin resin-coated paper support and an ink-receptive layer containing fumed silica. The surface of this support has been treated to achieve a slightly rough texture, resulting in a specular glossiness of 30% to less than 70% according to JIS P 8142.

Career Highlights

Throughout his career, Tetsuya Ashida has worked with notable companies such as Mitsubishi Paper Mills Limited and Mitsubishi Chemical Corporation. His experience in these organizations has allowed him to refine his expertise in the development of advanced ink-jet materials.

Collaborations

Ashida has collaborated with esteemed colleagues, including Touru Noda and Yukio Tokunaga. These partnerships have contributed to the success of his projects and the advancement of ink-jet technology.

Conclusion

Tetsuya Ashida's innovative work in ink-jet technology has led to significant advancements in the field. His contributions through patents and collaborations continue to influence the industry positively.

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