Kiyoshi Arai

This inventor holds 12 USPTO granted patents. Top assignees: Sony Corporation, Mitsui Toatsu Chemicals, Incorporated. Active years: 1983-2012.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoshi Arai. Retrieved from https://idiyas.com/inventor/kiyoshi-arai-5cxg6dwk

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

Calculating rank

USPTO Granted Patents = 12

% Patents Active = 91.7

Average Co-Inventor Count = 2.1

ph-index = 6

Forward Citations = 128(Granted Patents)

Location History:

Higashikurume, JP (1983 - 1986)
Yokohama, JP (1986 - 1989)
Mobara, JP (1994 - 1996)
Kanagawa, JP (1992 - 2012)

Company Filing History:

Mitsui Toatsu Chemicals, Incorporated

patents

Years Active: 1983-2012

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12 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 8213284 - Multi-layered rewritable optical disc recording apparatus and recording method (2012-07-03),

2. 5640378 - Disc recording apparatus for recording data in units of a full cluster (1997-06-17),

3. 5530146 - Furobenzopyran derivatives, process for preparation of same and (1996-06-25),

4. 5356866 - Furobenzopyran derivatives, process for preparation of same and (1994-10-18),

5. 5131947 - 4-ethyl-3-(substituted (1992-07-21),

6. 4822822 - Benzylamine derivatives, and use thereof (1989-04-18),

7. 4584601 - Circuit providing gamma, color and temperature compensation for thermal (1986-04-22),

8. 4584311 - Microbiocidal 1-[1-(alkoxyphenyl)vinyl]-1H-imidazoles (1986-04-22),

9. 4443121 - Thermal printing apparatus with reference gray scale comparator (1984-04-17),

10. 4399749 - Method and apparatus for controlling a thermal color printer (1983-08-23),

11. 4395146 - Method and apparatus for operating a thermal printer with uniform heat (1983-07-26),

12. 4389935 - Method and apparatus for controlling a printer (1983-06-28),

Title: Kiyoshi Arai: Innovator in Optical Disc Technology

Introduction

Kiyoshi Arai is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of optical disc technology, holding a total of 12 patents. His work has been instrumental in advancing the capabilities of optical recording systems.

Latest Patents

One of Arai's latest patents is for a multi-layered rewritable optical disc recording apparatus and recording method. This innovative recording apparatus is designed to perform recording on an optical disc medium that features multiple recording layers and allows for data to be rewritten. The apparatus includes recording means for executing data recording on each layer of the medium, along with recording controlling means that prioritize the recording of dummy data on the layer intended for final user data recording.

Career Highlights

Throughout his career, Kiyoshi Arai has worked with notable companies, including Sony Corporation and Mitsui Toatsu Chemicals, Incorporated. His experience in these organizations has contributed to his expertise in optical technologies and has facilitated his innovative endeavors.

Collaborations

Arai has collaborated with several talented individuals in his field, including Nobuo Komoto and Setsuko Hirose. These partnerships have likely enriched his work and led to further advancements in optical disc technology.

Conclusion

Kiyoshi Arai's contributions to optical disc technology through his patents and collaborations highlight his role as a key innovator in this field. His work continues to influence the development of advanced recording systems.

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]