logo

For the Inventor, By the Inventor

Minamiashigara, Japan

Tokuju Oikawa

This inventor holds 17 USPTO granted patents. Top assignees: Fujifilm Corporation, Fuji Photo Film Company, Limited. Active years: 1997-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokuju Oikawa. Retrieved from https://idiyas.com/inventor/tokuju-oikawa

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

USPTO Granted Patents = 17

% Patents Active = 76.5

Average Co-Inventor Count = 1.7

ph-index = 3

Forward Citations = 15(Granted Patents)


Location History:

  • Minami-ashigara, JP (2000 - 2014)
  • Haibara-gun, JP (2021)
  • Kanagawa, JP (1997 - 2024)

Company Filing History:

goldMedal10 out of 16,949 
 
Fujifilm Corporation
 patents
silverMedal7 out of 16,458 
 
Fuji Photo Film Company, Limited
 patents

Years Active: 1997-2025

Loading Chart...
17 patents (USPTO):Explore Patents
1. 12464694 - Electromagnetic shielding member (2025-11-04),
2. 12277297 - Touch sensor having a touch detection electrode composed of fine metal wires (2025-04-14),
3. 12045410 - Conductive film, touch sensor film, and image display apparatus (2024-07-23),
4. 11043528 - Composition, formed body, laminate, far infrared ray transmitting filter, solid-state imaging element, infrared camera, and infrared sensor (2021-06-22),
5. 8705174 - Antiglare film, polarizing plate, and image display device (2014-04-22),
6. 8524116 - Optical compensatory film, process for producing the same, and polarizing plate and liquid crystal display employing the same (2013-09-03),
7. 8066390 - Antiglare film, antireflection film, polarizing plate and image display device (2011-11-29),
8. 7875325 - Optical film, polarizing plate, and liquid-crystal display device (2011-01-25),
9. 7847887 - Protective film for polarizing plate, polarizing plate, and liquid crystal display device (2010-12-07),
10. 7303851 - Silver halide photographic light-sensitive material (2007-12-04),
11. 6828088 - Silver halide photographic light-sensitive material (2004-12-07),
12. 6824962 - Photothermographic material (2004-11-30),
13. 6818374 - Silver halide photographic light-sensitive materials and method for development of the same (2004-11-16),
14. 6416924 - Silver halide photographic material and method for processing the same (2002-07-09),
15. 6171753 - Silver halide photographic light-sensitive material (2001-01-09),

Title: Tokuju Oikawa: Innovator in Electromagnetic Shielding and Touch Sensor Technology

Introduction

Tokuju Oikawa is a prominent inventor based in Minami-ashigara, Japan. He holds a total of 17 patents, showcasing his significant contributions to the fields of electromagnetic shielding and touch sensor technology. His innovative work has made a lasting impact on various industries.

Latest Patents

Oikawa's latest patents include an electromagnetic shielding member that features a substrate with a three-dimensional shape. This member is designed to reflect electromagnetic waves in a wavelength-selective manner. Another notable invention is a touch sensor that incorporates a touch detection electrode made of fine metal wires. This touch sensor is engineered to minimize shading unevenness and includes a substrate with conductive layers. The design of the touch detection electrode consists of a mesh arrangement of fine metal wires, which enhances its functionality.

Career Highlights

Throughout his career, Tokuju Oikawa has worked with notable companies such as Fujifilm Corporation and Fuji Photo Film Company, Limited. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Oikawa has collaborated with esteemed colleagues, including Mitsunori Hirano and Tetsuya Asakura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tokuju Oikawa's contributions to electromagnetic shielding and touch sensor technology highlight his role as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing technology in meaningful ways.

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…