Junichi Watanabe

This inventor holds 32 USPTO granted patents and 15 published patent applications and 2 EPO patents, primarily in Image Forming Technology. Top assignees: Ricoh Company, Ltd., Fujitsu Corporation, Stanley Electric Co., Ltd. Active years: 1980-2026.

USPTO Granted Patents = 32 (Patent Applications = 15)

% Patents Active = 65.6

EPO Patents = 2

Average Co-Inventor Count = 3.0

ph-index = 10

Forward Citations = 1,005(Granted Patents)

Location History:

Kawaski, JP (1981)
Yokohama, JP (1986 - 1995)
Kawasaki, JP (1980 - 2014)
Shizuoka, JP (2013 - 2024)

Company Filing History:

Stanley Electric Co., Ltd

patents

4. 2 out of 467

Fujitsu Microelectronics Limited

patents

5. 2 out of 1,674

Fujitsu Semiconductor Limited

Nippon Zeon Company, Ltd.

patents

8. 1 out of 4

Public Works Research Institute

patents

9. 1 out of 615

Sumitomo Bakelite Company Limited

patents

where one patent can have more than one assignee

Years Active: 1980-2026

Loading Chart...

Areas of Expertise:

Toner

Image Forming Apparatus

Semiconductor Device

Developer

Toner Storage Unit

Manufacturing Method

Audio Control Device

Cooling Device

Electroluminescent Panel

Optical Disk Apparatus

Thermoplastic Rubber

Vehicle Communication System

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12601986 - Toner, resin particles, developer, toner storage unit, image forming apparatus, method for producing toner, and image forming method (2026-04-14),

2. 12346062 - Toner, toner storage unit, image forming apparatus and method of forming image (2025-07-01),

3. 12078961 - Toner, method of manufacturing toner, toner storage unit, image forming apparatus and method of forming image (2024-09-03),

4. 10712681 - Toner, toner storage unit, image forming apparatus, and method for manufacturing toner (2020-07-14),

5. 10324390 - Toner, developer, and image forming apparatus (2019-06-18),

6. 10153598 - Terminal and charging connector with temperature measurement (2018-12-11),

7. 9804516 - Toner, developer, image forming apparatus, and process cartridge (2017-10-31),

8. 9791794 - Toner, developer, and image forming apparatus (2017-10-17),

9. 9385465 - Terminal spacer (2016-07-05),

10. 8728700 - Reactor, toner production method, and toner (2014-05-20),

11. 8718299 - Audio control device and audio output device (2014-05-06),

12. 8652854 - Manufacturing method of a semiconductor device (2014-02-18),

13. 8557497 - Method of manufacturing toner and toner (2013-10-15),

14. 8396242 - Sound receiver (2013-03-12),

15. 8315418 - Sound receiver (2012-11-20),

Title: Junichi Watanabe: Pioneering Inventor from Kawasaki, JP

Introduction: Junichi Watanabe is a renowned inventor hailing from Kawasaki, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Junichi Watanabe holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his commitment to creating cutting-edge technologies.

Career Highlights: With a career spanning over two decades, Watanabe has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in various industries.

Collaborations: Throughout his career, Junichi Watanabe has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Junichi Watanabe's passion for innovation and his relentless pursuit of technological excellence continue to inspire the next generation of inventors and researchers worldwide.