Toshiharu Inui

This inventor holds 38 USPTO granted patents, primarily in Thermal Printing Technology. Top assignees: Fuji Xerox Co., Ltd., Fuji Kagakushi Kogyo Co., Ltd.. Active years: 1983-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiharu Inui. Retrieved from https://idiyas.com/inventor/toshiharu-inui-yabbfsij

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

Calculating rank

USPTO Granted Patents = 38

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 14

Forward Citations = 578(Granted Patents)

Location History:

Kanagawa, JP (1983 - 1987)
Ebina, JP (1983 - 1987)

Company Filing History:

Fuji Kagakushi Kogyo Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1983-1987

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Areas of Expertise:

Thermal Printing

Heat-Sensitive Recording

Thermal Head Drive

Copying Machine

Thermal Recording Apparatus

Ink Donor Sheet

Tone Reproduction

Heat Transfer Medium

Thermal Head Driving Method

Two-Color Copying

Thermal Half-Tone Printing

Image Display Unit

38 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4709149 - Copying machine (1987-11-24),

2. 4701811 - Tone reproduction method and apparatus (1987-10-20),

3. 4685069 - Heat storage correction apparatus (1987-08-04),

4. 4679055 - Method and apparatus for thermal half-tone printing (1987-07-07),

5. 4651167 - Printing method (1987-03-17),

6. 4638372 - Color copier (1987-01-20),

7. 4622595 - Image display unit capable of tone reproduction (1986-11-11),

8. 4607262 - Thermal head drive circuit (1986-08-19),

9. 4590487 - Thermal recording apparatus (1986-05-20),

10. 4583127 - Reproducing machine (1986-04-15),

11. 4574293 - Compensation for heat accumulation in a thermal head (1986-03-04),

12. 4568817 - Thermal printing method and apparatus (1986-02-04),

13. 4567488 - Thermal head drive device (1986-01-28),

14. 4563691 - Thermo-sensitive recording apparatus (1986-01-07),

15. 4560988 - Thermal head driving method (1985-12-24),

Title: Toshiharu Inui - Innovator in Copying Technology

Introduction

Toshiharu Inui is a prominent inventor based in Kanagawa, Japan. With a remarkable portfolio of 38 patents, he has made significant contributions to the field of copying technology. His innovations reflect a deep understanding of image recording systems and techniques.

Latest Patents

Inui's latest inventions include a sophisticated copying machine that records images on a recording sheet utilizing an ink donor sheet with thermally transferable ink. This inventive copying machine features a glass platen to support the original document, a reciprocally movable scanner unit to read and generate image signals, and a thermal head designed to produce thermal pulses. The machine operates by bringing an ink donor sheet coated with thermally transferable ink into contact with a recording sheet, allowing precise image recording.

Another notable invention by Inui is a tone reproduction method and apparatus. This device employs half-tone expressing units, each containing several recording picture elements that can express varied gradations of density in printed documents. The design allows for the dynamic adjustment of half-tone levels, enhancing the quality and detail of printed images.

Career Highlights

Throughout his career, Toshiharu Inui has held positions at notable companies such as Fuji Xerox Co., Ltd. and Fuji Kagakushi Kogyo Co., Ltd. His work in these organizations has played a critical role in advancing copying technologies and methodologies.

Collaborations

Inui's collaborative efforts with esteemed colleagues like Haruhiko Moriguchi and Takashi Ohmori have greatly enriched his inventive processes. Their combined expertise in technology and engineering has led to the development of innovative solutions in the copying industry.

Conclusion

Toshiharu Inui stands out as a key figure in the realm of copying technology with his extensive patent portfolio. His latest inventions demonstrate not only his technical creativity but also his dedication to enhancing imaging techniques. As he continues to innovate, Inui’s contributions will likely pave the way for future advancements in this field.

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]