logo

For the Inventor, By the Inventor

Yamaguchi, Japan

Hideki Sakai

This inventor holds 13 USPTO granted patents. Top assignees: Mitsui Petrochemical Industries, Ltd., Mitsui Chemicals, Inc., Arakawa Chemical Industries, Ltd.. Active years: 1992-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hideki Sakai. Retrieved from https://idiyas.com/inventor/hideki-sakai-lh8ks2br

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

USPTO Granted Patents = 13

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 8

Forward Citations = 174(Granted Patents)


Location History:

  • Iwakuni, JP (1992)
  • Yamaguchi, JP (1993 - 1994)
  • Kuga, JP (1994 - 1995)
  • Wakicho, JP (1993 - 1999)
  • Kuga-gun, JP (1998 - 2000)
  • Hiroshima, JP (2000 - 2001)

Company Filing History:

goldMedal10 out of 1,008 
 
Mitsui Petrochemical Industries, Ltd.
 patents
silverMedal3 out of 1,817 
 
Mitsui Chemicals, Inc.
 patents
bronzeMedal1 out of 64 
 
Arakawa Chemical Industries, Ltd.
 patents
4. 1 out of 11,665 
 
Fuji Xerox Co., Ltd.
 patents
5. 1 out of 215 
 
Kirin Beer Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1992-2001

Loading Chart...
13 patents (USPTO):Explore Patents
1. 6194114 - Heat-fixable developer for electrophotography (2001-02-27),
2. 6133490 - Dispersant for pigments for aromatic polymers (2000-10-17),
3. 6063536 - Thermal fixing developer material and wax for electrophotography (2000-05-16),
4. 5928825 - Toner for developing electrostatic latent images (1999-07-27),
5. 5856386 - Process for crystal nucleation of crystalline thermoplastic resin (1999-01-05),
6. 5714220 - Container composed of a saturated polyester resin composition (1998-02-03),
7. 5395869 - Thermally stabilized thermoplastic cycloolefin in resin compositions (1995-03-07),
8. 5324805 - Ethylene/pentene-1 copolymer and ethylene/pentene-1 copolymer composition (1994-06-28),
9. 5290896 - Ethylene/pentene-1 copolymer, and ethylene/pentene-1 copolymer (1994-03-01),
10. 5256718 - Flame retardant polyamide thermoplastic resin composition (1993-10-26),
11. 5183843 - Polyamide resin compositions (1993-02-02),
12. 5180767 - Flame retardant cyclic olefinic polymer composition (1993-01-19),
13. 5115010 - Fire-retardant polyamide composition having good heat resistance (1992-05-19),

Title: Innovator Hideki Sakai - Pioneering Advances in Electrophotography

Introduction

Hideki Sakai, based in Yamaguchi, Japan, is a prominent inventor known for his significant contributions to the field of electrophotography. With a portfolio that includes 13 patents, his work continues to influence technological advancements in this niche area.

Latest Patents

Among his latest patents are innovations such as a heat-fixable developer for electrophotography and a dispersant for pigments for aromatic polymers. These patents demonstrate his commitment to enhancing the efficiency and quality of electrophotographic processes.

Career Highlights

Sakai's professional journey includes valuable experience at notable companies such as Mitsui Petrochemical Industries, Ltd. and Mitsui Chemicals, Inc. His tenure at these organizations has allowed him to develop and refine concepts that contribute to broader industry standards.

Collaborations

Throughout his career, Hideki Sakai has worked alongside talented individuals like Kazuo Ishiwatari and Fumitoshi Ikejiri. These collaborations have fostered a creative environment that encourages innovative solutions in their field.

Conclusion

In summary, Hideki Sakai is a distinguished inventor whose patents and career achievements reflect his dedication to innovation in electrophotography. His latest contributions to heat-fixable developers and dispersants highlight his role as a key player in advancing technology.

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]
Loading…