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Yasunobu Shimizu

USPTO Granted Patents = 73 (Patent Applications = 3)

EPO Patents = 8 (Patent Applications = 9)

Average Co-Inventor Count = 3.4

ph-index = 12

Forward Citations = 444(Granted Patents)

Forward Citations (Not Self Cited) = 424(Dec 10, 2025)

Location History:

Tokorozawa, JP (1995)
Musashino, JP (1996 - 2007)
Zama, JP (2012)
Tokyo, JP (1995 - 2023)
Kanagawa, JP (2014 - 2024)

Company Filing History:

36 out of 1,030

Teac Corporation

35 out of 28,577

Ricoh Company, Ltd.

Sumco Corporation

Years Active: 1995-2024

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Areas of Expertise:

Image Forming Apparatus

Toner Conveying Device

Quartz Crucible Evaluation

Developing Device

Transfer Bias Control

Power Supply Module

Digital Audio Player

Audio Interface

Recording Medium Reproduction

Guitar Amplifier

Audio Mixer

Memory Card Recorder

73 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11868064 - Image forming apparatus with a toner conveying device having a reverse-flow conveying portion (2024-01-09),

2. 11703452 - Method and apparatus for measuring transmittance of quartz crucible (2023-07-18),

3. 11513464 - Image forming apparatus having an apparatus body and a detachable unit including a rotary body and drive gear (2022-11-29),

4. 11361462 - Method of evaluating inner circumference of quartz crucible and quartz crucible inner circumference evaluation apparatus (2022-06-14),

5. 9921541 - Developing device, and image forming apparatus and process cartridge incorporating same (2018-03-20),

6. 9864307 - Image forming apparatus with a controller to set transfer bias (2018-01-09),

7. 9772579 - Developing device and image forming apparatus incorporating same (2017-09-26),

8. 9625851 - Developing device and image forming apparatus incorporating same (2017-04-18),

9. 9535375 - Image forming apparatus with transfer output device outputting superimposed bias as transfer bias (2017-01-03),

10. 9488937 - Image forming apparatus (2016-11-08),

11. 9454107 - Image forming apparatus (2016-09-27),

12. 9323170 - Image forming apparatus with a controller to set transfer bias (2016-04-26),

13. 9291955 - Image forming apparatus and transfer bias application device therein (2016-03-22),

14. 9291934 - Image forming apparatus (2016-03-22),

15. 9285722 - Image forming apparatus having transfer bias control (2016-03-15),

Title: Yasunobu Shimizu: Pioneering Inventor from Tokyo

Introduction: Yasunobu Shimizu is a renowned inventor hailing from Tokyo, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Yasunobu Shimizu holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to pushing the boundaries of technological advancement.

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

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

Conclusion: Yasunobu Shimizu's relentless pursuit of innovation and his passion for creating cutting-edge technologies have solidified his reputation as a visionary inventor in the global tech community.

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