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For the Inventor, By the Inventor

Kawasaki, Japan

Hisashi Teraoka

This inventor holds 18 USPTO granted patents, primarily in Ink Jet Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1995-2005.

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

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

Calculating rank
USPTO Granted Patents = 18

% Patents Active = 100.0

Average Co-Inventor Count = 4.2

ph-index = 16

Forward Citations = 677(Granted Patents)


Location History:

  • Yokohama, JP (1995)
  • Kawasaki, JP (1999 - 2002)
  • Odawara, JP (2002 - 2003)
  • Kanagawa-Ken, JP (2003)
  • Shizuoka, JP (2002 - 2005)
  • Kanagawa, JP (2004 - 2005)

Company Filing History:

goldMedal18 out of 93,136 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1995-2005

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Areas of Expertise:
Ink Set
Ink Jet Recording
Recording Unit
Ink Cartridge
Color Ink
Bleeding Reduction
Water-Based Ink
Image Recording
18 patents (USPTO):Explore Patents
1. 6866380 - Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus (2005-03-15),
2. 6843839 - Ink, recording method, recording unit, ink cartridge, ink set, and recording apparatus (2005-01-18),
3. 6706104 - Ink set, ink jet recording method, recording unit, ink cartridge, ink jet recording apparatus, bleed-alleviating method, and method for improving fixability of black image (2004-03-16),
4. 6702882 - Ink set, ink jet recording method, recording unit, ink cartridge and ink jet recording apparatus (2004-03-09),
5. 6652084 - Ink-set, ink-jet recording method, recording unit, ink-cartridge, ink-jet recording apparatus and bleeding reduction method using it (2003-11-25),
6. 6530656 - Color ink-jet recording ink set, ink-jet recording method, recording unit, ink-cartridge, ink-jet recording apparatus and bleeding reduction method (2003-03-11),
7. 6474804 - Ink, ink set, ink-jet recording process, ink cartridge, recording unit and ink-jet recording apparatus (2002-11-05),
8. 6454403 - Ink set for color ink-jet recording, and recording method, recording apparatus, ink cartridge, recording unit and reduction of bleeding, employing the ink set (2002-09-24),
9. 6425662 - Ink set, ink-jet recording process, ink-jet recording apparatus, and method for alleviating formation of solid within common recovery-system unit (2002-07-30),
10. 6375317 - Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus (2002-04-23),
11. 6342095 - Ink set, and recording method and recording instrument using the same (2002-01-29),
12. 6332919 - Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method (2001-12-25),
13. 6281917 - Image forming process employing liquid composition and ink in combination (2001-08-28),
14. 6280513 - Ink, ink set, ink cartridge, recording unit, image recording apparatus and image recording method (2001-08-28),
15. 6221141 - Ink, ink-jet recording process, recording unit, ink cartridge and ink-jet recording apparatus (2001-04-24),

Title: Hisashi Teraoka: Innovator in Ink Technology

Introduction

Hisashi Teraoka is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of ink technology, particularly in the development of ink sets and recording methods. With a total of 18 patents to his name, Teraoka's work has had a lasting impact on the printing industry.

Latest Patents

Teraoka's latest patents include innovations such as an ink set, ink jet recording method, recording unit, ink cartridge, and ink jet recording apparatus. One of his notable inventions involves an ink set that includes inks each containing a colorant and an aqueous medium. This ink set is designed to maintain color balance after long-term storage, ensuring that images produced with the respective inks exhibit minimal fading. Additionally, he has developed magenta ink that demonstrates excellent coloration on various recording materials, achieving high image densities and superior light resistance.

Career Highlights

Throughout his career, Teraoka has been associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work has not only advanced the capabilities of ink and printing methods but has also contributed to the overall quality of printed images.

Collaborations

Teraoka has collaborated with notable colleagues such as Yoshihisa Takizawa and Koichi Osumi. These collaborations have further enriched his research and development efforts in the field of ink technology.

Conclusion

Hisashi Teraoka's innovative contributions to ink technology have established him as a key figure in the industry. His patents reflect a commitment to enhancing the quality and durability of printed images, making a significant impact on the future of printing 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]
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