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For the Inventor, By the Inventor

Kanagawa, Japan

Katsuhiko Tanaka

This inventor holds 63 USPTO granted patents and 2 published patent applications, primarily in Semiconductor Devices (CPC class 4301). Top assignees: Canon Kabushiki Kaisha, Nsk Corporation, Fuji Photo Film Company, Limited. Active years: 1985-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiko Tanaka. Retrieved from https://idiyas.com/inventor/katsuhiko-tanaka

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

USPTO Granted Patents = 63 

% Patents Active = 77.8

Average Co-Inventor Count = 2.2

ph-index = 14

Forward Citations = 618(Granted Patents)

Forward Citations (Not Self Cited) = 590(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Yamoto, JP (1985)
  • Yamato-shi, JP (1989)
  • Yokohama, JP (1989 - 1994)
  • Machida, JP (1996)
  • Fujisawa, JP (2000 - 2001)
  • Yamato, JP (1987 - 2004)
  • Kanagawa, JP (1992 - 2006)
  • Minato-ku, JP (2010)
  • Tokyo, JP (1987 - 2020)

Company Filing History:

goldMedal16 out of 92,994 
 
Canon Kabushiki Kaisha
 patents
silverMedal14 out of 2,467 
 
Nsk Corporation
 patents
bronzeMedal13 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents
4. 7 out of 355 
 
Nippon Seiko Kabushiki Kaisha
 patents
5. 5 out of 36,684 
 
Nec Corporation
 patents
6. 2 out of 1,458 
 
Elpida Memory, Inc.
 patents
7. 2 out of 377 
 
Ps4 Luxco S.a.r.l.
 patents
8. 2 out of 20 
 
Tokyo Electric Power Company Holdings, Inc.
 patents
9. 1 out of 807 
 
Fujitsu Component Limited
 patents
10. 1 out of 196 
 
Nec C Orporation
 patents
11. 1 out of 591 
 
Tokyo Institute of Technology
 patents
where one patent can have more than one assignee

Years Active: 1985-2025

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Areas of Expertise:
Semiconductor Device
Fluid Bearing
Photosensitive Material
Ball Bearing
Tetrahedral Mesh
Spindle Motor
Hydro-Dynamic Bearing
Photographic Film
Flow Rate Measurement
Manufacturing Method
Processing Apparatus
63 patents (USPTO):Explore Patents
1. 12247888 - Space temperature scanner and method for displaying space temperature (2025-03-11),
2. 10817103 - Structure to avoid gaps between switches/touch panel and case of a touch panel device (2020-10-27),
3. 10151610 - Flow rate measurement device and flow rate measurement method (2018-12-11),
4. 9076793 - Semiconductor device and manufacturing method thereof (2015-07-07),
5. 8906806 - Method of manufacturing semiconductor device (2014-12-09),
6. 8551884 - Method of manufacturing semiconductor device (2013-10-08),
7. 8247294 - Manufacturing process of fin-type field effect transistor and semiconductor (2012-08-21),
8. 7859065 - Fin-type field effect transistor and semiconductor device (2010-12-28),
9. 7830703 - Semiconductor device and manufacturing method thereof (2010-11-09),
10. 7719043 - Semiconductor device with fin-type field effect transistor and manufacturing method thereof. (2010-05-18),
11. 7386603 - Contents distributing server, contents distribution control method, program, and recording medium (2008-06-10),
12. 7371680 - Method of manufacturing semiconductor device (2008-05-13),
13. 7004651 - Submerged processing device for photosensitive material (2006-02-28),
14. 6712513 - Fluid bearing device (2004-03-30),
15. 6702485 - Photosensitive material processing apparatus and pleated cartridge filter (2004-03-09),

Title: Innovations of Katsuhiko Tanaka: Pioneering Developments in Touch Panels and Flow Measurement

Introduction

Katsuhiko Tanaka, an esteemed inventor based in Kanagawa, Japan, has made substantial contributions to technological advancements, holding a remarkable total of 62 patents. His innovations span various domains, particularly in touch panel devices and flow measurement technology.

Latest Patents

Among his latest inventions, Tanaka has developed a structure designed to avoid gaps between switches and touch panel cases in touch panel devices. This innovative device includes a first substrate with defined surfaces, a second substrate that interacts within a specific space, and a dual-layer of transparent conductive films, all contributing to enhanced functionality. Another noteworthy patent involves a flow rate measurement device and method. This device efficiently measures gas flow rates within pipelines using an ultrasonic transducer, which is designed to both emit and receive ultrasonic waves, thus offering precise calculations of flow rates.

Career Highlights

Throughout his career, Katsuhiko Tanaka has collaborated with influential companies, including Canon and NSK Corporation. His role in these organizations has been pivotal in shaping innovative ideas into practical applications, resulting in a diverse portfolio of patents that reflect his dedication to engineering and technology.

Collaborations

In addition to his work at leading companies, Tanaka has partnered with notable colleagues, including Ikunori Sakatani and Hiromitsu Muraki. Their combined efforts have fostered a collaborative environment that promotes the exchange of ideas and advancements within their fields.

Conclusion

Katsuhiko Tanaka's extensive work and groundbreaking patents underscore his significant impact on technology. With 62 patents to his name, his innovative spirit continues to inspire the realms of touch panel devices and flow measurement solutions. Through his collaborations and career achievements, Tanaka remains a prominent figure in the realm of modern inventions.

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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