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For the Inventor, By the Inventor

Hachioji, Japan

Toshikazu Kato

This inventor holds 29 USPTO granted patents, primarily in Cassette Tape Recorders. Top assignees: Olympus Optical Company, Ltd., Fuji Electric Systems Co. Ltd., Geothermal Engineering Co., Ltd.. Active years: 1976-2022.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshikazu Kato. Retrieved from https://idiyas.com/inventor/toshikazu-kato

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

USPTO Granted Patents = 29

% Patents Active = 100.0

Average Co-Inventor Count = 1.8

ph-index = 9

Forward Citations = 191(Granted Patents)


Location History:

  • Hachioji, JA (1976 - 1977)
  • Hochioji, JP (1982)
  • Hachioji, JP (1982 - 1983)
  • Hino, JP (1982 - 2013)
  • Tokyo, JP (1984 - 2022)

Company Filing History:

goldMedal27 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
silverMedal1 out of 116 
 
Fuji Electric Systems Co. Ltd.
 patents
bronzeMedal1 out of 2 
 
Geothermal Engineering Co., Ltd.
 patents
4. 1 out of 16,586 
 
Mitsubishi Electric Corporation
 patents
where one patent can have more than one assignee

Years Active: 1976-2022

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Areas of Expertise:
Cassette Tape Recorder
Loading Mechanism
Ejection Mechanism
Diagnostic Method
Magnetic Tape
Recording Apparatus
Counter Device
Transcriber
Audio Recorder
Protective Device
Double-Capstan
Electric Eye Exposure
29 patents (USPTO):Explore Patents
1. 11521437 - In-vehicle device, information processing method, and computer readable medium (2022-12-06),
2. 8407027 - Online diagnostic method and online diagnostic system for geothermal generation facility (2013-03-26),
3. 5822183 - Memory card installing device (1998-10-13),
4. D299336 - Hand microphone for transcriber (1989-01-10),
5. D297933 - Audio cassette recorder and transcriber (1988-10-04),
6. 4620246 - Cassette ejection mechanism of a cassette tape recorder (1986-10-28),
7. 4539609 - Cassette tape recorder (1985-09-03),
8. 4530106 - Counter device for use in tape recorder (1985-07-16),
9. 4510540 - Cassette ejection mechanism for a cassette tape recorder (1985-04-09),
10. 4467380 - Cassette loading/unloading apparatus for cassette tape recorder (1984-08-21),
11. 4466030 - Cassette loading/unloading apparatus for cassette tape recorder (1984-08-14),
12. 4463397 - Cassette tape recorder (1984-07-31),
13. 4447838 - Cassette loading/unloading apparatus for cassette tape recorder (1984-05-08),
14. 4417705 - Tape cassette (1983-11-29),
15. 4402024 - Cassette holder (1983-08-30),

Title: Toshikazu Kato: Pioneering Inventor from Hachioji, Japan

Introduction: Toshikazu Kato is a renowned inventor hailing from Hachioji, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Toshikazu Kato holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Kato has worked with leading research institutions and tech companies, consistently pushing the boundaries of what is possible in the realm of technological advancements.

Collaborations: Throughout his career, Toshikazu Kato has collaborated with top engineers, scientists, and designers from around the world, fostering a culture of innovation and creativity in all his projects.

Conclusion: Toshikazu Kato's passion for innovation and his relentless drive to create a better future through technology make him a true pioneer in the world of inventions.

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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