Shinji Ohtani

This inventor holds 25 USPTO granted patents and 5 published patent applications, plus 1 CIPO patent and 11 EPO patents, primarily in Toner Manufacturing. Top assignee: Ricoh Company, Ltd.. Active years: 2007-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Ohtani. Retrieved from https://idiyas.com/inventor/shinji-ohtani

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

USPTO Granted Patents = 25 (Patent Applications = 5)

% Patents Active = 24.0

CIPO Patents = 1

EPO Patents = 11 (Patent Applications = 4)

Average Co-Inventor Count = 3.0

ph-index = 7

Forward Citations = 176(Granted Patents)

Location History:

Suntoh-gun, JP (2007 - 2008)
Sunto-gun, JP (2008 - 2010)
Shizoka-ken, JP (2013)
Shizuoka-ken, JP (2009 - 2014)
Shizuoka, JP (2011 - 2015)
Kanagawa, JP (2021)

Company Filing History:

25 out of 28,940

Ricoh Company, Ltd.

patents

Years Active: 2007-2021

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Areas of Expertise:

Toner

Image Forming Apparatus

Electrophotographic Developer

Toner Preparation

Particle Production

Process Cartridge

Fixing Device

Functional Particulate Organic Material

Developer

Mold Making Apparatus

25 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11097532 - Method for making mold, method for molding model material, and mold making apparatus (2021-08-24),

2. 9201332 - Charger, ion generator, image forming apparatus, and process cartridge (2015-12-01),

3. 8758972 - Toner, method of producing toner, and image forming method (2014-06-24),

4. 8748072 - Method and apparatus for producing toner (2014-06-10),

5. 8603373 - Method for producing particles, method for producing toner, and apparatus for producing particles (2013-12-10),

6. 8568628 - Toner preparation method and apparatus, and toner prepared thereby (2013-10-29),

7. 8524437 - Particle producing method, particle, toner, developer, process cartridge, image forming method, image forming apparatus, and particle producing method (2013-09-03),

8. 8501055 - Toner manufacturing method, a toner manufacturing apparatus, and a toner (2013-08-06),

9. 8367293 - Method for producing carrier for electrophotographic developer, carrier for electrophotographic developer, electrophotographic developer, and image forming method (2013-02-05),

10. 8318400 - Method of preparing toner and the toner, and developer and image forming method using the toner (2012-11-27),

11. 8252500 - Toner, and method for producing the same (2012-08-28),

12. 8137087 - Toner preparation method and apparatus, and toner prepared thereby (2012-03-20),

13. 8110332 - Electrophotographic toner and method for producing the electrophotographic toner (2012-02-07),

14. 8105742 - Method and apparatus for manufacturing toner and toner manufactured by the apparatus and method (2012-01-31),

15. 8105741 - Method and apparatus for manufacturing toner, and electrophotographic toner manufactured by the method (2012-01-31),

Title: Innovator Spotlight: Shinji Ohtani from Shizuoka, Japan

Introduction

Shinji Ohtani is a prolific inventor based in Shizuoka, Japan, holding an impressive portfolio of 25 patents. His contributions to the field of innovation, particularly in molding technologies and electronic components, underscore his expertise and ingenuity.

Latest Patents

Among his most recent patents are groundbreaking methods and apparatuses that significantly enhance manufacturing processes. One notable invention is a method for making a mold, which entails a series of intricate steps using a polymer solution. This method includes the discharge of the polymer solution onto a stage that undergoes sol-gel transitions, allowing for the formation of customized gel layers through relative movement. Another innovative patent consists of a charger designed to apply a charge to various objects, featuring a unique electron emitter composed of an electroconductive substrate and a specialized layer of n-type hexagonal boron nitride codoped with magnesium and oxygen.

Career Highlights

Ohtani is currently affiliated with Ricoh Company, Ltd., where he applies his extensive knowledge to develop cutting-edge technologies. His career is marked by a commitment to innovation in the fields of materials science and electrical engineering, reflecting the forward-thinking ethos of his workplace.

Collaborations

Throughout his career, he has collaborated with esteemed colleagues, including Yoshihiro Norikane and Yohichiroh Watanabe. These collaborations have fostered a synergistic environment that promotes the exchange of ideas and expertise, leading to the successful development of innovative technologies.

Conclusion

Shinji Ohtani's contributions to the field of patents and innovations exemplify the impact that dedicated inventors can have on technology and industry. His work not only enhances manufacturing processes but also inspires future generations of inventors to pursue their own innovative ideas.

Profile summary based on public USPTO records.