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For the Inventor, By the Inventor

Mishima, Japan

Tomoyuki Kato

This inventor holds 4 USPTO granted patents. Top assignees: Aloka Co., Ltd., Kabushiki Kaisha Tec, Tokyo Electric Co.. Active years: 1994-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tomoyuki Kato. Retrieved from https://idiyas.com/inventor/tomoyuki-kato-rhy4l367

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 3

Forward Citations = 86(Granted Patents)


Location History:

  • Mitaka, JP (1995)
  • Mishima, JP (1994 - 2003)

Company Filing History:

goldMedal1 out of 93 
 
Aloka Co., Ltd.
 patents
silverMedal1 out of 122 
 
Kabushiki Kaisha Tec
 patents
bronzeMedal1 out of 492 
 
Tokyo Electric Co.
 patents
4. 2 out of 834,601 
Other
 patents
where one patent can have more than one assignee

Years Active: 1994-2003

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4 patents (USPTO):Explore Patents
1. 6587666 - Process unit with cleaner and image forming apparatus comprising the same (2003-07-01),
2. 5701559 - Cleanerless image forming apparatus using an electrophotographic process (1997-12-23),
3. 5381794 - Ultrasonic probe apparatus (1995-01-17),
4. 5294961 - Recording apparatus with two charging units for achieving uniform (1994-03-15),

Title: Tomoyuki Kato: Innovator in Image Forming Technology

Introduction

Tomoyuki Kato is a notable inventor based in Mishima, Japan. He has made significant contributions to the field of image forming technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of image forming apparatuses.

Latest Patents

Kato's latest patents include innovative designs for image forming apparatuses. One of his patents describes a process unit with a cleaner, which features a photosensitive drum, a charger, an exposure unit, a developer with toner, a transfer mechanism, and a cleaner. This design incorporates a blade that scrapes residual toner from the drum, along with a paddle that rotates to move the toner. Another patent details a cleanerless image forming apparatus that utilizes an electrophotographic process. This apparatus includes a photosensitive member, a charging device, a light beam for exposure, and a developing device that simultaneously sucks and recovers residual toner after transfer.

Career Highlights

Throughout his career, Kato has worked with various companies, including Aloka Co., Ltd. His innovative designs have significantly impacted the efficiency of image forming technologies.

Collaborations

Kato has collaborated with notable individuals in his field, including Chuwa Tei and Takashi Hosokawa. Their combined expertise has contributed to the advancement of image forming technologies.

Conclusion

Tomoyuki Kato's contributions to image forming technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of this 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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