Kusatsu, Japan

Yasuyuki Tsutsui

This inventor holds 1 USPTO granted patent. Top assignee: Daikin Industries, Ltd.. Active years: 2015.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Tsutsui. Retrieved from https://idiyas.com/inventor/yasuyuki-tsutsui

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 = 6.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Company Filing History:


Years Active: 2015

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1 patent (USPTO):Explore Patents

Title: Yasuyuki Tsutsui: Power Supply Protection Innovation.

Introduction

Yasuyuki Tsutsui is an inventor associated with Kusatsu, Japan, and Daikin Industries, Ltd. His patent work includes a power supply apparatus designed to improve protection for power supply circuits.

Latest Patents

Tsutsui is credited with 1 patent, titled “Power Supply Apparatus.” The invention detects both the main DC voltage and the auxiliary DC voltage, helping protect the main and auxiliary rectifier circuits. Its main rectifier supplies a main power supply circuit through a switch, which can turn off when an overcurrent occurs or the load is overloaded. An auxiliary rectifier supplies operating power to a control circuit while bypassing that switch. A DC voltage detection circuit monitors both voltage levels.

Career Highlights

Tsutsui’s listed invention addresses voltage monitoring and circuit protection in power supply systems. He is associated with Daikin Industries, Ltd.

Collaborations

His listed coworkers include Mitsuru Imoto and Norio Sakae.

Conclusion

Yasuyuki Tsutsui’s patent describes a power supply protection approach that monitors both main and auxiliary DC voltages to help safeguard the associated circuits.

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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