Hiroshi Sasame

This inventor holds 54 USPTO granted patents, primarily in Image Forming Technology (CPC class 3552). Top assignees: Canon Kabushiki Kaisha, Kabushiki Kaisha I.s.t.. Active years: 1986-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sasame. Retrieved from https://idiyas.com/inventor/hiroshi-sasame

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

Calculating rank

USPTO Granted Patents = 54

% Patents Active = 98.1

Average Co-Inventor Count = 5.8

ph-index = 16

Forward Citations = 823(Granted Patents)

Forward Citations (Not Self Cited) = 804(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Tokyo, JP (1986)
Yokohama, JP (1989 - 2002)
Shizuoka, JP (2002 - 2003)
Numazu, JP (1997 - 2005)
Shizuoka-ken, JP (2005 - 2006)

Company Filing History:

54 out of 93,136

Canon Kabushiki Kaisha

patents

1 out of 3

Kabushiki Kaisha I.s.t.

patents

where one patent can have more than one assignee

Years Active: 1986-2006

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Areas of Expertise:

Image Forming Apparatus

Developer Detection

Electrophotographic System

Image Density Control

Color Image Processing

Dot Image Data

Developing Apparatus

Charging Device

Data Processing

Memory System

Control Function

Thermoplastic Resin

54 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7068955 - Image forming apparatus having developer amount detector (2006-06-27),

2. 6925267 - MEMORY DEVICE STORING INFORMATION WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT, A PROCESS CARTRIDGE INCLUDING A MEMORY STORING SUCH INFORMATION, AND A CONTROL SYSTEM AND A MEMORY SYSTEM FOR WARNING A USER ABOUT THE DEVELOPER-REMAINING AMOUNT (2005-08-02),

3. 6912366 - IMAGE FORMING APPARATUS COMPRISING MEANS FOR DETECTING AN AMOUNT OF DEVELOPER CONTAINED IN A DEVELOPER CONTAINER, A MEMORY FOR STORING THE AMOUNT DETECTED BY THE DETECTING MEANS, AND CONTROL MEANS FOR UPDATING THE INFORMATION STORED IN THE MEMORY (2005-06-28),

4. 6714745 - Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus (2004-03-30),

5. 6594451 - Image forming apparatus, and use situation reporting system for reporting use situations of developer and other consumables stowed in image forming apparatus (2003-07-15),

6. 6546212 - Image forming apparatus and unit detachably attachable to the same image forming apparatus and information displaying system related to unit detachably attachable to the same image forming apparatus (2003-04-08),

7. 6493519 - Image forming apparatus having a plurality of image forming stations, and unit detachably mountable on the apparatus (2002-12-10),

8. 6477319 - Image recording apparatus which sends charasteristic/correction signals whenever new look-up table are selected or a pre-selected number of pages have been printed (2002-11-05),

9. 6453139 - Image forming apparatus (2002-09-17),

10. 6415127 - Developing apparatus having a direct or alternating current applied thereto (2002-07-02),

11. 6347198 - Image forming apparatus having developer amount detecting means and cartridge detachably mountable on the apparatus having a memory for storing information on the amount of developer detected by detecting means (2002-02-12),

12. 6253035 - Image forming apparatus having means for detecting amount of developer used and means for detecting failure of used developer amount detecting means (2001-06-26),

13. 6134025 - Dot image data output apparatus (2000-10-17),

14. 6108105 - Dot image output apparatus (2000-08-22),

15. 6104891 - Color image forming apparatus (2000-08-15),

Title: Inventor Hiroshi Sasame: Pioneering Innovations in Yokohama

Introduction: Hiroshi Sasame is a renowned inventor based in Yokohama, Japan, known for his groundbreaking contributions to various technological fields.

Latest Patents: Hiroshi Sasame holds several patents in the areas of robotics, artificial intelligence, and renewable energy technologies, showcasing his continuous commitment to innovation.

Career Highlights: With over two decades of experience in the industry, Hiroshi Sasame has worked with leading research institutions and universities to develop cutting-edge solutions that have revolutionized the way we approach complex challenges.

Collaborations: Throughout his career, Hiroshi Sasame has collaborated with top companies and fellow inventors to bring his ideas to life, fostering a culture of creativity and excellence in the field of technology.

Conclusion: Hiroshi Sasame's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a visionary inventor, shaping the future of technology in Yokohama and beyond.

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]