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For the Inventor, By the Inventor

Otake, Japan

Kenichi Sakunaga

USPTO Granted Patents = 14

 

Average Co-Inventor Count = 3.3

ph-index = 8

Forward Citations = 190(Granted Patents)


Location History:

  • Otake, JA (1976)
  • Ohtake, JA (1977)
  • Ohtake, JP (1988)
  • Otake, JP (1985 - 1991)
  • Toyama, JP (1991 - 1993)

Company Filing History:

goldMedal14 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents

Years Active: 1976-1993

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14 patents (USPTO):Explore Patents
1. 5186780 - Method of manufacturing transmission type screen (1993-02-16),
2. 5121252 - Projection screen and method for producing the same (1992-06-09),
3. 5058989 - Transmission type screen and method of manufacturing the same (1991-10-22),
4. 5039457 - Multifilament type plastic optical fiber and process for preparation (1991-08-13),
5. 4872740 - Endoscope (1989-10-10),
6. 4842365 - Multifilament type plastic optical fiber and process for preparation (1989-06-27),
7. 4812012 - Optical fiber array having fiber islands in a polymer sea (1989-03-14),
8. 4798445 - Plastic optical fiber and process for producing the same (1989-01-17),
9. 4768857 - Multifilament type plastic optical fiber (1988-09-06),
10. 4762392 - Plastic optical fibers (1988-08-09),
11. 4732716 - Process for preparation of multifilament optical fibers (1988-03-22),
12. 4547040 - Optical fiber assembly and process for preparing same (1985-10-15),
13. 4000605 - Method for producing a crimped yarn (1977-01-04),
14. 3993834 - Light transmitting filament (1976-11-23),

Title: Kenichi Sakunaga: Innovator in Transmission Type Screens

Introduction

Kenichi Sakunaga is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of materials science, particularly in the development of innovative transmission type screens. With a total of 14 patents to his name, Sakunaga's work has had a considerable impact on the industry.

Latest Patents

One of Sakunaga's latest patents is a method of manufacturing a transmission type screen. This screen features a body made from at least one plastic sheet, which is formed of numerous transparent plastic strands arranged in a sheet-like structure. Each strand is welded together at its outer surfaces. The transparent strands may have a main portion and an additional portion that differs in optical effects. The manufacturing process involves spinning off the transparent strands from a nozzle while aligning them, welding adjacent strands to create a sheet, and forming a screen body from the resulting sheets. Another notable patent is for a projection screen, which consists of a sheet made from multiple light-transmitting plastic strands arranged and welded in parallel. The dimensions of the screen and the pitch of the strands are designed to meet specific conditions for optimal performance.

Career Highlights

Kenichi Sakunaga is currently associated with Mitsubishi Rayon Company, Limited, where he continues to innovate and develop new technologies. His work has been instrumental in advancing the capabilities of projection and transmission screens, making them more efficient and effective for various applications.

Collaborations

Sakunaga has collaborated with notable colleagues, including Hiromu Terada and Naoyuki Fukahori. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Kenichi Sakunaga's contributions to the field of transmission type screens exemplify his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving the functionality and design of materials used in various applications.

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