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For the Inventor, By the Inventor

Nara, Japan

Katsuyuki Sakai

This inventor holds 14 USPTO granted patents. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 1991-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuyuki Sakai. Retrieved from https://idiyas.com/inventor/katsuyuki-sakai

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 14

% Patents Active = 92.9

Average Co-Inventor Count = 1.8

ph-index = 6

Forward Citations = 95(Granted Patents)


Location History:

  • Yamatokoriyama, JP (1991 - 1992)
  • Nara-ken, JP (1996)
  • Nara, JP (1992 - 2004)

Company Filing History:

goldMedal14 out of 25,954 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 1991-2004

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14 patents (USPTO):Explore Patents
1. 6744453 - Image recording apparatus and facsimile apparatus (2004-06-01),
2. 6594040 - Thermal transfer facsimile apparatus (2003-07-15),
3. 6026723 - Roll paper feeding apparatus (2000-02-22),
4. 5717495 - Construction for holding recording paper roll (1998-02-10),
5. 5564842 - Recording apparatus (1996-10-15),
6. 5265152 - Facsimile apparatus (1993-11-23),
7. 5219234 - Thermal printing device including jam detection means (1993-06-15),
8. 5201588 - Printer with openable paper web cassette mounting a platen roller (1993-04-13),
9. 5191428 - Paper feeding device capable of quickly replacing recording paper (1993-03-02),
10. 5163089 - Image data transmission apparatus (1992-11-10),
11. 5150630 - Power switching apparatus with power switching timing (1992-09-29),
12. 5077618 - Image data processing apparatus (1991-12-31),
13. 5005026 - Thermal head separating mechanisms (1991-04-02),
14. 4989237 - Image data transmission apparatus (1991-01-29),

Title: Innovations of Katsuyuki Sakai

Introduction

Katsuyuki Sakai is a prominent inventor based in Nara, Japan. He has made significant contributions to the field of image recording and facsimile technology. With a total of 14 patents to his name, Sakai's work has had a lasting impact on the industry.

Latest Patents

Sakai's latest patents include an image recording apparatus and a thermal transfer facsimile apparatus. The image recording apparatus utilizes a line-type thermal head, allowing for the switching of recording modes without the need for an operator to attach or detach an ink ribbon cartridge and heat-sensitive recording paper. This innovative design includes both a thermal-transfer recording platen and a heat-sensitive recording platen, enabling seamless transitions between recording modes. The thermal transfer facsimile apparatus features a compact design with a transmitting system positioned above the recording system. This construction allows users to easily open the body cover to remove any documents that may become jammed, minimizing the risk of damage to the documents.

Career Highlights

Sakai is currently employed at Sharp Kabushiki Kaisha Corporation, where he continues to develop cutting-edge technologies. His work has been instrumental in advancing the capabilities of image recording and facsimile systems.

Collaborations

Throughout his career, Sakai has collaborated with notable coworkers, including Shigeru Kida and Motohiko Hayashi. These partnerships have contributed to the successful development of innovative products and technologies.

Conclusion

Katsuyuki Sakai's contributions to the field of image recording and facsimile technology are noteworthy. His innovative patents and collaborative efforts have significantly advanced the industry, showcasing his expertise and dedication to innovation.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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