Kyoto, Japan

Yoshio Tsunazawa

This inventor holds 2 USPTO granted patents. Top assignee: Shimadzu Seisakusho Ltd.. Active years: 1978.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Tsunazawa. Retrieved from https://idiyas.com/inventor/yoshio-tsunazawa-2l41h4k0

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.4

ph-index = 1

Forward Citations = 12(Granted Patents)


Company Filing History:


Years Active: 1978

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshio Tsunazawa

Introduction

Yoshio Tsunazawa is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of optical devices, holding two patents that showcase his innovative spirit and technical expertise.

Latest Patents

Tsunazawa's latest patents include a wavelength driving device for use in monochromators and a spectrophotometer. The wavelength driving device features at least two wavelength driving cams with different peripheral contours, which operate alternatively for various portions of the wavelength range. This device also includes means for easy correction of deviations in prism dispersion from the design value. The spectrophotometer utilizes a silicon photocell and a phototube sensitive to short wavelengths. It divides light from the sample cell into smaller and larger portions, projecting them onto the respective detectors for combined and amplified output.

Career Highlights

Yoshio Tsunazawa is associated with Shimadzu Seisakusho Ltd., a company known for its advanced scientific instruments and technology. His work has contributed to the development of innovative optical devices that enhance measurement accuracy and efficiency.

Collaborations

Some of his notable coworkers include Shosuke Tezuka and Rikuo Hira, who have collaborated with him on various projects within the company.

Conclusion

Yoshio Tsunazawa's contributions to optical technology through his patents reflect his dedication to innovation and excellence in his field. His work continues to influence advancements in scientific instrumentation.

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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