Ryoichi Kinishi

This inventor holds 7 USPTO granted patents. Top assignees: Yoshitomi Pharmaceutical Industries, Ltd., Nippon Paper Industries Co., Ltd.. Active years: 1982-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ryoichi Kinishi. Retrieved from https://idiyas.com/inventor/ryoichi-kinishi

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 22(Granted Patents)

Location History:

Yoshitomimachi, JP (1983)
Nara, JP (1982 - 1985)
Fukuoka, JP (1986 - 1994)
Fukuoka-ken, JP (1997)

Company Filing History:

7 out of 198

Yoshitomi Pharmaceutical Industries, Ltd.

patents

1 out of 343

Nippon Paper Industries Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 1982-1997

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7 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5661100 - Urea (thiourea) derivative and thermal recording sheet using the same (1997-08-26),

2. 5284978 - Method for producing diphenyl sulfone compounds (1994-02-08),

3. 4950810 - Selective process for preparting 2,4- or 3,6-di-substituted phenol (1990-08-21),

4. 4605940 - Thermoresponsive recording paper sheet (1986-08-12),

5. 4558335 - Thermoresponsive recording sheet (1985-12-10),

6. 4404352 - Method of producing polyurethanes (1983-09-13),

7. 4322519 - Method of producing polyurethanes (1982-03-30),

Title: Ryoichi Kinishi: Innovator in Thermal Recording Technology

Introduction

Ryoichi Kinishi is a notable inventor based in Fukuoka, Japan. He has made significant contributions to the field of thermal recording technology, holding a total of 7 patents. His work has focused on developing innovative materials and methods that enhance the performance of thermal recording sheets.

Latest Patents

Among his latest patents is a thermal recording sheet that incorporates urea (thiourea) derivatives. This invention features a thermal color developing layer that includes a basic colorless dye and an organic color developer as its main ingredients. The thermal recording sheet is designed to provide high sensitivity and image stability, making it a valuable advancement in the industry.

Career Highlights

Ryoichi Kinishi has worked with several prominent companies throughout his career. Notably, he has been associated with Yoshitomi Pharmaceutical Industries, Ltd. and Nippon Paper Industries Co., Ltd. His experience in these organizations has contributed to his expertise in developing innovative solutions in thermal recording technology.

Collaborations

Throughout his career, Ryoichi has collaborated with talented individuals such as Koreyoshi Suenobu and Masanori Kohara. These collaborations have played a crucial role in advancing his research and development efforts.

Conclusion

Ryoichi Kinishi's contributions to thermal recording technology demonstrate his innovative spirit and dedication to enhancing the field. His patents and collaborations reflect a commitment to excellence and progress in the industry.

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]