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For the Inventor, By the Inventor

Hachioji, Japan

Hiroki Ichikawa

This inventor holds 9 USPTO granted patents. Top assignee: Olympus Optical Company, Ltd.. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroki Ichikawa. Retrieved from https://idiyas.com/inventor/hiroki-ichikawa

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 3

Forward Citations = 66(Granted Patents)


Location History:

  • Hachioji, JA (1978)
  • Hachioji, JP (1978 - 1983)
  • Tokyo, JP (1984)

Company Filing History:

goldMedal9 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents

Years Active: 1978-1984

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9 patents (USPTO):Explore Patents
1. 4488196 - Remote control device for tape recorder (1984-12-11),
2. 4401864 - Seesaw type switch mechanism (1983-08-30),
3. 4345354 - Hinge mechanism (1982-08-24),
4. 4325094 - Tape recorder having interlocked tape speed and tone control adjustment (1982-04-13),
5. 4300735 - Tape recorder (1981-11-17),
6. 4164637 - Dual tread plate foot switch (1979-08-14),
7. 4135220 - Mechanism to prevent unwanted tape ejection in a magnetic tape device (1979-01-16),
8. 4126284 - Magnetic tape drive device (1978-11-21),
9. 4089487 - Apparatus for tape recorder (1978-05-16),

Title: Hiroki Ichikawa: Innovator in Remote Control Technology

Introduction

Hiroki Ichikawa is a notable inventor based in Hachioji, Japan. He has made significant contributions to the field of remote control technology, holding a total of 9 patents. His work has been instrumental in advancing the functionality and usability of electronic devices.

Latest Patents

Ichikawa's latest patents include a remote control device for tape recorders. This innovative device features a microphone unit that connects to a microphone amplifier system within the tape recorder's body. It also includes various operating switches linked to a main control circuit and a display means connected to the microphone. Another notable patent is the seesaw type switch mechanism, which consists of an operating member with tabs on either side. This mechanism allows for quick operation of pushbutton switches through a reduced angular stroke.

Career Highlights

Hiroki Ichikawa is currently employed at Olympus Optical Company, Ltd. His work at this esteemed company has allowed him to develop and refine his inventions, contributing to the company's reputation for innovation in optical and electronic devices.

Collaborations

Ichikawa has collaborated with several talented individuals in his field, including Kazumi Miyazi and Michio Kusuyama. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Hiroki Ichikawa's contributions to remote control technology exemplify his innovative spirit and dedication to advancing electronic devices. His patents reflect a commitment to enhancing user experience and functionality in everyday technology.

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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