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For the Inventor, By the Inventor

Numazu, Japan

Hisashi Yamauchi

This inventor holds 14 USPTO granted patents and 2 EPO patents. Top assignee: Canon Kabushiki Kaisha. Active years: 2012-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hisashi Yamauchi. Retrieved from https://idiyas.com/inventor/hisashi-yamauchi

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

USPTO Granted Patents = 14

% Patents Active = 71.4


Average Co-Inventor Count = 2.6

ph-index = 3

Forward Citations = 18(Granted Patents)


Company Filing History:

goldMedal14 out of 92,994 
 
Canon Kabushiki Kaisha
 patents

Years Active: 2012-2023

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14 patents (USPTO):Explore Patents
1. 11635705 - Image forming apparatus having developer transporting member that transports developer toward a developer bearing member (2023-04-25),
2. 11327415 - Image forming apparatus having developer transporting member that transports developer toward a developer bearing member (2022-05-10),
3. 11073781 - Image forming apparatus that suppresses occurrence of image smearing by maintaining a metal soap on a surface of a photoconductor (2021-07-27),
4. 10802418 - Image forming apparatus having developer transporting member that transports developer toward a developer bearing member (2020-10-13),
5. 10754265 - Image forming apparatus (2020-08-25),
6. 10520852 - Image forming apparatus (2019-12-31),
7. 10466634 - Image forming apparatus including developer carrying member (2019-11-05),
8. 10444658 - Image forming apparatus having developer transporting member that transports developer toward a developer bearing member (2019-10-15),
9. 9946188 - Image forming apparatus (2018-04-17),
10. 9507314 - Image forming apparatus (2016-11-29),
11. 8718499 - Image forming apparatus (2014-05-06),
12. 8472823 - Image forming apparatus featuring a control device for controlling a developer discharge operation in first and second modes (2013-06-25),
13. 8428477 - Image forming apparatus (2013-04-23),
14. 8116668 - Toner supplying roller, developing apparatus, and image forming apparatus (2012-02-14),

Title: Hisashi Yamauchi: Innovator in Image Forming Technology

Introduction

Hisashi Yamauchi is a prominent inventor known for his contributions to image forming technology. He is based in Numazu, Japan, and has been instrumental in developing innovative solutions in this field. With a total of 14 patents to his name, Yamauchi has made significant advancements that enhance the functionality and efficiency of image forming apparatuses.

Latest Patents

One of Hisashi Yamauchi's latest patents is an image forming apparatus that features a developer transporting member. This apparatus is capable of performing a second image forming operation where the peripheral velocity ratio of a developer bearing member to an image bearing member is greater than in the first operation. Additionally, it involves a potential difference between a developing bias applied to the developer bearing member and a supply bias applied to a supply member. This innovation allows for a reduction in the urging force that causes the developer to move between the supply member and the developer bearing member, optimizing the image forming process.

Career Highlights

Yamauchi has dedicated his career to Canon Kabushiki Kaisha, where he has played a vital role in advancing the company's technology. His work has not only contributed to the company's success but has also set new standards in the industry. His expertise in image forming technology has made him a valuable asset to the organization.

Collaborations

Throughout his career, Hisashi Yamauchi has collaborated with notable colleagues, including Bunro Noguchi and Masahiro Yoshida. These collaborations have fostered an environment of innovation and creativity, leading to the development of groundbreaking technologies in the field.

Conclusion

Hisashi Yamauchi's contributions to image forming technology through his patents and work at Canon Kabushiki Kaisha highlight his status as a leading inventor in the industry. His innovative spirit continues to drive advancements that shape the future of image forming solutions.

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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