Hiroshima, Japan

Yasuharu Takei

This inventor holds 11 USPTO granted patents and 6 EPO patents. Top assignees: Fumakilla Limited, Sumitomo Chemical Company, Limited. Active years: 1982-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuharu Takei. Retrieved from https://idiyas.com/inventor/yasuharu-takei

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


% Patents Active = 54.5

 

Average Co-Inventor Count = 3.5

ph-index = 5

Forward Citations = 192(Granted Patents)


Company Filing History:


Years Active: 1982-2013

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11 patents (USPTO):Explore Patents

Title: Innovations by Yasuharu Takei

Introduction

Yasuharu Takei is a notable inventor based in Hiroshima, Japan. He has made significant contributions to the field of chemical diffusing apparatuses, holding a total of 11 patents. His work is characterized by innovative designs that enhance functionality and efficiency.

Latest Patents

Among his latest patents is the blower type chemical diffusing apparatus. This apparatus is designed to be small in thickness, simple in structure, and cost-effective. It allows for easy exchange of chemicals and batteries, facilitating the electrical connection of the battery to the motor in the blower. The apparatus features a casing that includes a first and second side casing counterpart, which are hinged together for easy opening and closing. The blower, equipped with a motor and fan, is mounted in the first casing body. A chemical cartridge is positioned between the blower and the second casing body, containing a chemical impregnated body made from a sheet that is impregnated with the chemical. The first casing body also has a battery accommodating recess for dry cells, which drive the motor and rotate the fan, forcing air through the chemical cartridge.

Another significant patent is the chemical cartridge for a blower-type chemical diffusing apparatus. This cartridge includes a chemical-impregnated body made from an air-permeable and liquid-absorptive sheet. The retainer receptacle for this body features a liquid pool recess that allows the liquid chemical to permeate towards the peripheral area of the sheet.

Career Highlights

Yasuharu Takei has worked with prominent companies such as Fumakilla Limited and Sumitomo Chemical Company, Limited. His experience in these organizations has contributed to his expertise in developing innovative chemical diffusing technologies.

Collaborations

Throughout his career, Yasuharu Takei has collaborated with notable individuals, including Shinya Kawamura and Satoshi Yamasaki. These collaborations have likely enriched his work and led to further advancements in his field.

Conclusion

Yasuharu Takei's contributions to the field of chemical diffusing apparatuses demonstrate his innovative spirit and commitment to enhancing technology. His patents reflect a deep understanding of practical applications, making significant strides in the industry.

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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