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For the Inventor, By the Inventor

Shinshiro, Japan

Shunji Yamamoto

This inventor holds 11 USPTO granted patents. Top assignee: Minolta Camera Kabushiki Kaisha. Active years: 1976-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shunji Yamamoto. Retrieved from https://idiyas.com/inventor/shunji-yamamoto

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 2.5

ph-index = 8

Forward Citations = 179(Granted Patents)


Location History:

  • Shinshiro, J (1976)
  • Shinshiro, JA (1977)
  • Shinshiro, JP (1978 - 1979)
  • Osaka, JP (1993 - 1994)

Company Filing History:

goldMedal11 out of 2,979 
 
Minolta Camera Kabushiki Kaisha
 patents

Years Active: 1976-1994

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11 patents (USPTO):Explore Patents
1. 5296900 - Substantially cylindrical developer supplying container for supplying (1994-03-22),
2. 5227843 - Drive transmission system for a process cartridge used in an image (1993-07-13),
3. 4178092 - Electrophotographic copying apparatus with gas evacuating means (1979-12-11),
4. 4166692 - Protection and safety device for a photocopying machine (1979-09-04),
5. 4126101 - Excess developing solution removing apparatus (1978-11-21),
6. 4124289 - Electrophotographic copying apparatus (1978-11-07),
7. 4101214 - Toner dispensing device with electrical integrating circuit (1978-07-18),
8. 4048666 - Electric safety switch circuitry (1977-09-13),
9. 4046470 - Printing paper cutting device for an electrical copier (1977-09-06),
10. 4045135 - Electrophotographic copying apparatus with retractable image transfer (1977-08-30),
11. 3997262 - Electrophotographic copying apparatus (1976-12-14),

Title: Shunji Yamamoto: Innovator in Developer Supplying Technology

Introduction

Shunji Yamamoto is a prominent inventor based in Shinshiro, Japan. He has made significant contributions to the field of imaging technology, particularly in the development of devices that enhance the efficiency of developer supplying systems. With a total of 10 patents to his name, Yamamoto's work has had a lasting impact on the industry.

Latest Patents

One of his latest patents is a substantially cylindrical developer supplying container designed for efficient developer transport. This innovative device features a spiral groove on the peripheral surface of the container, allowing for the rotation and transportation of the developer. It includes a supplying element in the form of an opening on the container's surface, which regulates the amount of developer supplied. Additionally, the device incorporates a ball-like stirring mechanism that moves within the container to ensure thorough mixing of the developer. Another notable patent involves a drive transmission system for a process cartridge used in imaging devices, which enhances the precision of recording sheet transport against the image bearing member.

Career Highlights

Yamamoto has been associated with Minolta Camera Kabushiki Kaisha, where he has played a crucial role in advancing imaging technology. His innovative designs and patents have contributed to the company's reputation for quality and efficiency in imaging solutions.

Collaborations

Throughout his career, Yamamoto has collaborated with notable colleagues such as Yukio Tokura and Osamu Okada. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the imaging sector.

Conclusion

Shunji Yamamoto's contributions to developer supplying technology and imaging devices have established him as a key figure in the field. His innovative patents and collaborations continue to influence the industry, showcasing the importance of creativity and teamwork in technological advancements.

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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