logo

For the Inventor, By the Inventor

Los Altos, CA, United States of America

Richard G Crystal

This inventor holds 27 USPTO granted patents, primarily in Inkjet Printing Technology. Top assignees: Xerox Corporation, Graphic Utilities, Inc., Other. Active years: 1976-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Richard G Crystal. Retrieved from https://idiyas.com/inventor/richard-g-crystal

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

USPTO Granted Patents = 27

% Patents Active = 100.0

Average Co-Inventor Count = 1.7

ph-index = 10

Forward Citations = 325(Granted Patents)


Location History:

  • Penfield, NY (US) (1976 - 1977)
  • Dallas, TX (US) (1976 - 1978)
  • Los Altos, CA (US) (1977 - 1997)

Company Filing History:

goldMedal21 out of 24,257 
 
Xerox Corporation
 patents
silverMedal4 out of 6 
 
Graphic Utilities, Inc.
 patents
bronzeMedal2 out of 834,453 
Other
 patents

Years Active: 1976-1997

Loading Chart...
Areas of Expertise:
Ink Jet Cartridges
Optical Density
Thermal Transfer Printing
Waterfast Inks
Impact Printers
Electrostatographic Development
Print Hammer Assembly
Lithographic Masters
Composite Print Wheel
Ink Compositions
Imaging Apparatuses
Multi-Use Transfer Elements
27 patents (USPTO):Explore Patents
1. 5686948 - Method for refilling ink jet cartridges (1997-11-11),
2. 5662734 - Ink compositions having improved optical density characteristics (1997-09-02),
3. 5572852 - Method for opening, refilling and sealing a cartridge (1996-11-12),
4. 5488400 - Method for refilling ink jet cartridges (1996-01-30),
5. 5400573 - Kit and method for opening, refilling and sealing a cartridge (1995-03-28),
6. 5364462 - Waterfast inks (1994-11-15),
7. 5176974 - Imaging apparatuses and processes (1993-01-05),
8. 5172131 - Thermal transfer printing processes with multi-use transfer elements (1992-12-15),
9. 5072234 - Thermal transfer printing elements with mesomorphic inks (1991-12-10),
10. 5045865 - Magnetically and electrostatically assisted thermal transfer printing (1991-09-03),
11. 4803119 - Ink compositions for impact typewriter ribbons (1989-02-07),
12. 4737043 - Impact mechanism for quiet impact printer (1988-04-12),
13. 4686900 - Impact printer with application of oblique print force (1987-08-18),
14. 4678355 - Print tip contact sensor for quiet impact printer (1987-07-07),
15. 4673305 - Printwheel for use in a serial printer (1987-06-16),

Title: The Innovative Journey of Richard G Crystal

Introduction: Richard G Crystal, a distinguished inventor based in Los Altos, CA, has made significant contributions to the field of technology through his groundbreaking innovations.

Latest Patents: Richard G Crystal holds several patents in various technological domains, showcasing his versatility and ingenuity in inventing cutting-edge solutions.

Career Highlights: With a career spanning over two decades, Richard G Crystal has established himself as a visionary inventor, with a keen eye for identifying gaps in the market and developing unique solutions to address them.

Collaborations: Throughout his career, Richard G Crystal has collaborated with leading tech companies, research institutions, and universities to bring his inventions to life, fostering a culture of innovation and excellence.

Conclusion: Richard G Crystal's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors, leaving an indelible mark on the world of 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…