logo

For the Inventor, By the Inventor

Nagano, Japan

Hiroshi Tanaka

This inventor holds 64 USPTO granted patents and 1 published patent application and 11 EPO patents, primarily in Fiber Processing Technology (CPC class Y02T). Top assignees: Seiko Epson Corporation, Nippon Kogaku K.k., Fujitsu Corporation. Active years: 1985-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Tanaka. Retrieved from https://idiyas.com/inventor/hiroshi-tanaka-2hp7d4x5

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

USPTO Granted Patents = 64 

% Patents Active = 56.3

 

Average Co-Inventor Count = 2.3

ph-index = 11

Forward Citations = 605(Granted Patents)

Forward Citations (Not Self Cited) = 600(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Suzaka, JP (2004 - 2005)
  • Yokohama, JP (1985 - 2011)
  • Nagano-ken, JP (2005 - 2011)
  • Atsugi, JP (2017 - 2019)
  • Matsumoto, JP (2009 - 2021)
  • Nagano, JP (1994 - 2023)

Company Filing History:

goldMedal35 out of 34,296 
 
Seiko Epson Corporation
 patents
silverMedal7 out of 849 
 
Nippon Kogaku K.k.
 patents
bronzeMedal6 out of 39,378 
 
Fujitsu Corporation
 patents
4. 5 out of 158 
 
Fujitsu Media Devices Limited
 patents
5. 4 out of 13,420 
 
Nissan Motor Company Limited
 patents
6. 3 out of 21 
 
Tamagawa Seiki Co., Ltd.
 patents
7. 1 out of 1 
 
K. Maikai Co., Ltd.
 patent
8. 1 out of 5 
 
Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha
 patents
9. 1 out of 244 
 
Mitsui Engineering and Shipbuilding Company Limited
 patents
10. 1 out of 8,997 
 
Nikon Corporation
 patents
11. 1 out of 1 
 
Toho Chikakoki Co., Ltd.
 patent
12. 4 out of 834,570 
Other
 patents
where one patent can have more than one assignee

Years Active: 1985-2023

Loading Chart...
Loading Chart...
Areas of Expertise:
Fiber Processing
Dust Collection
Non-Contact Power Supply
Image Forming
Angular Velocity Sensor
Liquid Measuring
Temperature Control
Printing Device
Acceleration Sensor
Core Sampling
Magnetic Head Control
3D Shape Voxelization
64 patents (USPTO):Explore Patents
1. 11767637 - Powder collection unit and fiber processing apparatus (2023-09-26),
2. 11452963 - Dust collector (2022-09-27),
3. 11332331 - Material supply device and fiber body generation apparatus (2022-05-17),
4. 11072888 - Fiber processing device and fibrous feedstock recycling device (2021-07-27),
5. 11008674 - Fiber processing device and fibrous feedstock recycling device (2021-05-18),
6. 10781554 - Processing device, sheet manufacturing apparatus, processing method, and sheet manufacturing method (2020-09-22),
7. 10704198 - Sheet manufacturing apparatus and sheet manufacturing method (2020-07-07),
8. 10366179 - Computer-readable storage medium and information processing device (2019-07-30),
9. 10297069 - Computer-readable recording medium, shortest path determining method, and information processing device (2019-05-21),
10. 10096156 - Computer-readable recording medium, voxelization method, and information processing device for automatic voxelization of 3D shapes (2018-10-09),
11. 9969280 - Contactless electricity supply device (2018-05-15),
12. 9656559 - Non-contact power supply device (2017-05-23),
13. 9623767 - Torque control apparatus and contactless charging system (2017-04-18),
14. 9566871 - Non-contact power supply device, vehicle, and non-contact power supply system (2017-02-14),
15. 9562325 - Sheet manufacturing apparatus and sheet manufacturing method (2017-02-07),

Hiroshi Tanaka: Innovator in Powder Collection and Dust Collection Technologies

Introduction

Hiroshi Tanaka, a prolific inventor located in Nagano, Japan, has made significant contributions to the fields of powder processing and dust collection technologies. With a remarkable portfolio of 64 patents, Tanaka is recognized for his innovative solutions that enhance efficiency in various industrial applications.

Latest Patents

Tanaka's latest patents include the "Powder Collection Unit" and the "Dust Collector." The Powder Collection Unit is designed to effectively manage and collect powders containing fibers. It features a powder storage with an inlet for powder entry and an outlet for discharge, along with a delivery screw that facilitates the movement of powder through the system. The inner space of the powder collection portion is engineered to collect the discharged powder efficiently.

The Dust Collector, on the other hand, is a sophisticated system that includes a housing and a dust collecting bag with air permeability. It incorporates a supply section to introduce powder, a negative pressure generating section to maintain vacuum conditions, and a vibration applying section to enhance the dust collection efficiency. Notably, the design allows for increased vibration transmission to the top surface of the dust collecting bag, optimizing the dust collection process.

Career Highlights

Throughout his career, Hiroshi Tanaka has worked with prestigious companies such as Seiko Epson Corporation and Nippon Kogaku K.K. These roles have allowed him to develop and refine his innovative technologies, contributing significantly to his fields of expertise.

Collaborations

Tanaka has collaborated with notable professionals in the industry, including Kaneo Yoda and Hiroshi Ishikawa. These partnerships have not only enriched his work but have also fostered an environment of creativity and innovation, leading to the development of his latest technological advancements.

Conclusion

Hiroshi Tanaka stands out as a leading figure in the realm of inventions related to powder processing and dust collection. His extensive patent portfolio and dedication to innovation continue to influence the industry, providing solutions that enhance operational efficiencies and improve environmental outcomes. As technology evolves, Tanaka's contributions remain pivotal in driving advancements in these critical areas.

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]
Loading…