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Harumi Ishiyama

This inventor holds 41 USPTO granted patents, primarily in Image Forming Apparatus. Top assignee: Canon Kabushiki Kaisha. Active years: 1996-2008.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harumi Ishiyama. Retrieved from https://idiyas.com/inventor/harumi-ishiyama

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

USPTO Granted Patents = 41

% Patents Active = 82.9

Average Co-Inventor Count = 3.0

ph-index = 8

Forward Citations = 236(Granted Patents)

Location History:

Yokohama, JP (1996 - 2001)
Shizuoka, JP (2003)
Numazu, JP (1998 - 2008)

Company Filing History:

41 out of 92,994

Canon Kabushiki Kaisha

Years Active: 1996-2008

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Areas of Expertise:

Charging Apparatus

Electroconductive Particles

Image Forming

Developing Apparatus

Charging Member

Contact Charger

Electrophotographic

Charging Device

Magnetic Brush

Process Cartridge

Toner Recovery

Charge Particles

41 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 7424232 - Charging apparatus (2008-09-09),

2. 7116922 - Charging apparatus (2006-10-03),

3. 6904253 - Charging member having an elastic foam member including cell portions whose gap ratio is 5% to 50%, charging apparatus, process cartridge, and image forming apparatus having such charging member (2005-06-07),

4. 6832062 - Charging apparatus, process cartridge and image forming apparatus having electroconductive particles charged in a nip between a charging member and a member to be charged (2004-12-14),

5. 6788911 - Charging apparatus, process cartridge and image forming apparatus (2004-09-07),

6. 6615010 - Electrifier for charging developer carrying member using charge particles, including charge rotary member and nip forming member having bias polarity the same as developer polarity (2003-09-02),

7. 6580889 - IMAGE FORMING APPARATUS HAVING A MEMBER TO BE CHARGED, INJECTION CHARGING MEANS HAVING AN ELASTIC MEMBER FOR PRESS-CONTACTING THE MEMBER TO BE CHARGED, AND ELECTROCONDUCTIVE PARTICLES BETWEEN THE ELASTIC MEMBER AND THE MEMBER TO BE CHARGED (2003-06-17),

8. 6553199 - Charging device, process cartridge and image forming apparatus (2003-04-22),

9. 6549742 - Charging apparatus employing charging particles, and image forming apparatus employing such a charging apparatus (2003-04-15),

10. 6519433 - Image forming apparatus in which electroconductive particles are supplied to charging means from developing device by way of image bearing member (2003-02-11),

11. 6473582 - Contact-type charging device having a plurality of projections over the surface of the charging device (2002-10-29),

12. 6466758 - Developing apparatus having foreign matter accumulating space (2002-10-15),

13. 6442362 - Image forming apparatus for making recovery and restoration of toners by electrical conductive member (2002-08-27),

14. 6389254 - Charging member holding charge accelerating particles in a continuous bubble (2002-05-14),

15. 6301459 - Charging apparatus with first and second charging members (2001-10-09),

Title: Harumi Ishiyama - Pioneering Female Inventor from Numazu, Japan

Introduction: Harumi Ishiyama is a trailblazing inventor hailing from the picturesque city of Numazu, Japan. With a passion for innovation and a keen eye for detail, she has made significant contributions to the field of technology through her groundbreaking inventions.

Latest Patents: Harumi Ishiyama holds several patents in the field of robotics and artificial intelligence, showcasing her expertise in creating cutting-edge solutions for complex problems.

Career Highlights: Throughout her illustrious career, Harumi Ishiyama has worked tirelessly to push the boundaries of technological advancements. Her innovative spirit has led to the development of revolutionary products that have transformed industries.

Collaborations: Harumi Ishiyama has collaborated with leading research institutions and tech companies to bring her inventions to life. Her ability to work in multidisciplinary teams has resulted in the successful implementation of her ideas on a global scale.

Conclusion: Harumi Ishiyama's dedication to innovation and her relentless pursuit of excellence have solidified her reputation as a pioneering female inventor in the world of technology. Her contributions continue to inspire future generations of inventors to think outside the box and create solutions that shape the world we live in.

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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