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For the Inventor, By the Inventor

Fujioka, Japan

Hajime Tanaka

USPTO Granted Patents = 15

Average Co-Inventor Count = 4.1

ph-index = 4

Forward Citations = 57(Granted Patents)


Location History:

  • Yosiki-gun, Yamaguchi, JP (1989)
  • Gunma, JP (1991)
  • Gunma-ken, JP (2004)
  • Fujioka, JP (1991 - 2007)

Company Filing History:

goldMedal13 out of 52,735 
 
Kabushiki Kaisha Toshiba
 patents
silverMedal3 out of 3 
 
Nikka Techno, Inc.
 patents
bronzeMedal3 out of 11 
 
Fuji Pigment Co., Ltd.
 patents
4. 2 out of 832,843 
Other
 patents
where one patent can have more than one assignee

Years Active: 1989-2007

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15 patents (USPTO):Explore Patents
1. 7166956 - Metal back-carrying fluorescent surface, metal back forming transfer film and image display unit (2007-01-23),
2. 7157843 - Transfer film, method for forming metal back layer, and display device (2007-01-02),
3. 7074100 - Method of forming metal back-attached fluorescent surface and image display unit (2006-07-11),
4. 7052353 - Method of forming a phosphor screen and an image display unit containing the phosphor screen (2006-05-30),
5. 6841926 - Transfer film, method for forming metal back layer, and image display (2005-01-11),
6. 6833663 - Fluorescent material layer with metal back, method of forming the fluorescent material layer, and image display device (2004-12-21),
7. 6699580 - Dispersion composition for black matrix, display, and process, for production display (2004-03-02),
8. 5939821 - Color cathode ray tube (1999-08-17),
9. 5686787 - CRT having color filter with a special green filter (1997-11-11),
10. 5640066 - Display screen and method of manufacturing the same (1997-06-17),
11. 5148082 - Color picture tube with light absorbing layer on screen (1992-09-15),
12. 5126627 - Color cathode ray tube including a red emitting phosphor and a light (1992-06-30),
13. 5045750 - Color picture tube having a phosphor screen with a semitransparent black (1991-09-03),
14. 4987338 - Cathode ray tube with film on face-plate (1991-01-22),
15. 4860626 - Wippen heel mechanism for an upright piano (1989-08-29),

Title: Hajime Tanaka: Innovator in Metal Back Technology

Introduction

Hajime Tanaka is a prominent inventor based in Fujioka, Japan. He has made significant contributions to the field of display technology, particularly through his innovative patents. With a total of 15 patents to his name, Tanaka has established himself as a key figure in the industry.

Latest Patents

Tanaka's latest patents include groundbreaking inventions such as the metal back-carrying fluorescent surface and the image display unit. His metal back-attached phosphor screen features a high-reflectance, high-resistance layer made from In-, Sn-, or Bi-oxide. This design enhances the performance of the phosphor screen while preventing damage to the electron emission element. Additionally, his transfer film invention comprises a base film and a protective layer that contains a softening agent, which aids in forming a high-quality metal back layer.

Career Highlights

Throughout his career, Tanaka has worked with notable companies, including Toshiba Corporation and Nikka Techno, Inc. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Tanaka has collaborated with talented individuals such as Tomoko Nakazawa and Takeo Itou. These partnerships have further enriched his work and led to the development of advanced technologies.

Conclusion

Hajime Tanaka's contributions to the field of display technology through his patents and collaborations highlight his innovative spirit and dedication to advancing the industry. His work continues to influence the development of high-performance display systems.

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