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For the Inventor, By the Inventor

Osaka, Japan

Masayuki Yamada

This inventor holds 39 USPTO granted patents and 9 published patent applications and 3 EPO patents, primarily in Image Forming Apparatus. Top assignees: Kyocera Document Solutions Inc., Hitachi Maxell, Limited, Kyocera Mita Corporation. Active years: 1997-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masayuki Yamada. Retrieved from https://idiyas.com/inventor/masayuki-yamada-no13423q

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

Calculating rank
USPTO Granted Patents = 39 

% Patents Active = 74.4

 

Average Co-Inventor Count = 2.0

ph-index = 5

Forward Citations = 88(Granted Patents)


Location History:

  • Toride, JP (2000)
  • Yawara-mura, JP (2006)
  • Kyoto, JP (2010 - 2017)
  • Ibaraki, JP (2002 - 2018)
  • Osaka, JP (1997 - 2023)

Company Filing History:

goldMedal17 out of 6,351 
 
Kyocera Document Solutions Inc.
 patents
silverMedal10 out of 1,112 
 
Hitachi Maxell, Limited
 patents
bronzeMedal4 out of 1,131 
 
Kyocera Mita Corporation
 patents
4. 2 out of 1,529 
 
Nidec Corporation
 patents
5. 2 out of 651 
 
Yanmar Co., Ltd.
 patents
6. 1 out of 8 
 
Daiken Medical Co., Ltd.
 patents
7. 1 out of 10 
 
Hitachi Maxell Energy, Ltd.
 patents
8. 1 out of 52 
 
Maxell Holdings, Ltd.
 patents
9. 1 out of 929 
 
Sumitomo Metal Industries, Inc.
 patents
10. 1 out of 1,432 
 
Ube Industries, Inc.
 patents
where one patent can have more than one assignee

Years Active: 1997-2026

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Areas of Expertise:
Image Forming Apparatus
Transfer Unit
Lithium Secondary Battery
Non-Aqueous Secondary Battery
Electrochemical Element
Cleaning Device
Sheet Feeder
Roller Support Mechanism
Positive Electrode
Automatic Document Feeder
Powder Conveying Device
Fluorescent Substance
39 patents (USPTO):Explore Patents
1. 12566393 - Transfer unit and image forming apparatus therewith (2026-03-03),
2. 12298678 - Transfer unit and image forming apparatus therewith (2025-05-13),
3. 12109360 - Tracheal tube (2024-10-08),
4. 11543763 - Transfer unit capable of switching between two transfer rollers (2023-01-03),
5. 11520256 - Transfer unit capable of switching between a plurality of transfer rollers (2022-12-06),
6. 11520255 - Transfer unit capable of switching a transfer roller to one of a size appropriate to a recording medium (2022-12-06),
7. 11520254 - Transfer unit capable of switching between two transfer rollers and maintaining a positional relationship with pre-transfer guide (2022-12-06),
8. 11474457 - Image forming apparatus that can selectively switch between two transfer rollers (2022-10-18),
9. 11029637 - Positioning structure between sheet feeder and image forming apparatus to be installed onto top of the sheet feeder (2021-06-08),
10. 10981744 - Image forming apparatus (2021-04-20),
11. 10962921 - Connecting structure between electrical connector of sheet feeder and electrical connector of image forming apparatus to be installed onto top of the sheet feeder (2021-03-30),
12. 10394166 - Image forming apparatus having a cleaning device for a transfer belt and a pre-cleaning brush (2019-08-27),
13. 10371040 - Engine device and stationary work machine having same mounted thereon (2019-08-06),
14. 10365591 - Fixing device and image forming apparatus (2019-07-30),
15. 10044072 - Lithium secondary battery pack, as well as electronic device, charging system, and charging method using said pack (2018-08-07),

Title: Masayuki Yamada: Pioneering Innovator in Technology

Introduction:

Masayuki Yamada, a renowned inventor hailing from Osaka, Japan, is a visionary whose passion for innovation has left an indelible mark on the field of technology. With a staggering 36 patents to his name, Yamada's relentless pursuit of excellence continues to inspire the next generation of inventors worldwide.

Latest Patents:

Among his impressive array of inventions, Yamada's latest patents showcase his ingenious work in the development of transfer units capable of switching between two transfer rollers. These innovative units, equipped with advanced mechanisms, have the potential to revolutionize the efficiency and precision of image transfer processes in various industries.

Career Highlights:

Throughout his illustrious career, Masayuki Yamada has made significant contributions to the technological landscape through his work at prominent companies such as Kyocera Document Solutions Inc. and Hitachi Maxell, Limited. His innovative spirit and dedication to pushing the boundaries of what is possible have resulted in groundbreaking advancements that have transformed industries and improved the quality of life for people around the globe.

Collaborations:

Yamada's collaborative efforts with esteemed colleagues such as Akira Inaba and Yuya Shimohora have further amplified the impact of his inventions. By fostering a culture of innovation and teamwork, Masayuki Yamada has been able to bring forth cutting-edge technologies that have set new benchmarks in the realm of technological advancements.

Conclusion:

In conclusion, Masayuki Yamada stands as a shining example of an inventor whose unwavering commitment to innovation has reshaped the technological landscape. His pioneering spirit, coupled with his remarkable inventions and collaborations, continues to leave a lasting legacy that propels the world of technology forward into new and exciting horizons.

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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