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For the Inventor, By the Inventor

Toyoake, Japan

Masateru Kawamura

This inventor holds 14 USPTO granted patents and 1 EPO patent. Top assignee: Brother Kogyo Kabushiki-Kaisha. Active years: 2004-2017.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masateru Kawamura. Retrieved from https://idiyas.com/inventor/masateru-kawamura

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

USPTO Granted Patents = 14

% Patents Active = 57.1


Average Co-Inventor Count = 2.7

ph-index = 3

Forward Citations = 15(Granted Patents)


Company Filing History:

goldMedal14 out of 17,888 
 
Brother Kogyo Kabushiki-Kaisha
 patents

Years Active: 2004-2017

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14 patents (USPTO):Explore Patents
1. 9557681 - Developing device, process cartridge and image forming apparatus (2017-01-31),
2. 8343704 - Method of producing toner, and toner (2013-01-01),
3. 8263305 - Method for producing toner (2012-09-11),
4. 8224216 - Developing apparatus (2012-07-17),
5. 8119319 - Method for producing positive charging toner (2012-02-21),
6. 8029967 - Method for producing toner (2011-10-04),
7. 7960085 - Method for producing positively chargeable toner (2011-06-14),
8. 7642033 - Toner production method, toner and toner production apparatus (2010-01-05),
9. 7553600 - Method for producing toner and positively chargeable non-magnetic single component toner (2009-06-30),
10. 7344819 - Manufacturing method for a toner (2008-03-18),
11. 7280786 - Electrostatic developing toner (2007-10-09),
12. 7159976 - Water base ink set for ink-jet recording (2007-01-09),
13. 6866377 - Ink set for ink-jet recording (2005-03-15),
14. 6736499 - Ink set for ink-jet recording (2004-05-18),

Title: Masateru Kawamura: Innovator in Developing Devices and Toner Production

Introduction

Masateru Kawamura is a prominent inventor based in Toyoake, Japan. He has made significant contributions to the field of developing devices and toner production, holding a total of 14 patents. His innovative work has had a substantial impact on the imaging technology industry.

Latest Patents

Kawamura's latest patents include a developing device, a process cartridge, and an image forming apparatus. The developing device features a casing designed to accommodate developer, a developing roller, and a seal member. This seal member includes a fabric member with fibers extending in a specific direction, along with a heat radiation member that effectively manages heat. Additionally, he has developed a method for producing toner, which involves creating spherical-shaped liquid droplets from a mixture of resin, solvents, colorants, and charge control agents. This innovative process enhances the positive chargeability of the solid particles, improving the overall quality of the toner.

Career Highlights

Kawamura is currently employed at Brother Industries, Ltd., where he continues to push the boundaries of technology in his field. His work has been instrumental in advancing the capabilities of imaging devices and toner production processes.

Collaborations

Throughout his career, Kawamura has collaborated with notable colleagues, including Jun Ikami and Naomichi Kobayashi. These partnerships have fostered a creative environment that has led to numerous advancements in their respective fields.

Conclusion

Masateru Kawamura's contributions to developing devices and toner production exemplify his innovative spirit and dedication to technology. His patents and collaborations reflect a commitment to excellence in the imaging technology 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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