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For the Inventor, By the Inventor

Kokubunji, Japan

Yuji Suwa

USPTO Granted Patents = 12

Average Co-Inventor Count = 4.7

ph-index = 2

Forward Citations = 34(Granted Patents)


Location History:

  • Hiki-gun, JP (2001 - 2002)
  • Kokubunji, JP (2004 - 2011)
  • Tokyo, JP (2016 - 2022)

Company Filing History:

goldMedal12 out of 42,485 
 
Hitachi, Ltd.
 patents

Years Active: 2001-2022

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12 patents (USPTO):
1. 11398055 - Color evaluation device, color evaluation method, and indication object used in color evaluation method (2022-07-26),
2. 10338046 - Artificial olfactory sensing system (2019-07-02),
3. 10043963 - Thermoelectric conversion element and thermoelectric conversion module (2018-08-07),
4. 9941430 - Silicon-based quantum dot device (2018-04-10),
5. 9287456 - Silicon-germanium light-emitting element (2016-03-15),
6. 8008654 - Thin-film transistor device and a method for manufacturing the same (2011-08-30),
7. 7872257 - Organic thin film transistor array and method of manufacturing the same (2011-01-18),
8. 7872254 - Wiring and organic transistor, and manufacturing method thereof (2011-01-18),
9. 7622734 - Organic transistor using self-assembled monolayer (2009-11-24),
10. 6780698 - Semiconductor device and its production method (2004-08-24),
11. 6475650 - Ferromagnetic material and magnetic apparatus employing the ferromagnetic material (2002-11-05),
12. 6299990 - Ferromagnetic material and magnetic apparatus employing the ferromagnetic material (2001-10-09),

Title: Innovations of Yuji Suwa

Introduction

Yuji Suwa is a prominent inventor based in Kokubunji, Japan. He has made significant contributions to the field of technology, particularly in color evaluation and artificial olfactory sensing systems. With a total of 12 patents to his name, Suwa continues to push the boundaries of innovation.

Latest Patents

Among his latest patents is a color evaluation device and method, which includes an indication object used in the color evaluation method. This device features a color evaluation unit that acquires sensor colors and reference colors from photography data. It determines coefficients for color conversion between different photography environments, allowing for accurate color correction. Another notable patent is his artificial olfactory sensing system, designed to detect various odors with high sensitivity. This system utilizes sensor cells on a lipid membrane, each equipped with olfactory receptors, and ion-sensitive field-effect transistors (ISFETs) to convert odor recognition signals into electric signals.

Career Highlights

Yuji Suwa is currently employed at Hitachi, Ltd., where he applies his expertise in developing innovative technologies. His work has garnered attention for its practical applications in various industries, enhancing the capabilities of devices that rely on color and scent detection.

Collaborations

Suwa has collaborated with notable colleagues, including Tomihiro Hashizume and Takeo Shiba, contributing to the advancement of their shared projects and innovations.

Conclusion

Yuji Suwa's contributions to technology through his patents and collaborative efforts highlight his role as a leading inventor in Japan. His work continues to inspire advancements in color evaluation and olfactory sensing systems.

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