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For the Inventor, By the Inventor

Yamato, Japan

Hiroshi Nakagomi

USPTO Granted Patents = 18

Average Co-Inventor Count = 7.9

ph-index = 10

Forward Citations = 629(Granted Patents)


Company Filing History:

goldMedal18 out of 90,809 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1991-2001

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18 patents (USPTO):Explore Patents
1. 6290344 - Vented ink container with internal ink absorber, and ink cartridge having such an ink container (2001-09-18),
2. 6135589 - Ink jet recording head with ejection outlet forming member and urging (2000-10-24),
3. 6113223 - Ink jet recording head with ink chamber having slanted surfaces to aid (2000-09-05),
4. 6059400 - Ink jet apparatus (2000-05-09),
5. 5917524 - Ink tank with secure mounting arrangement (1999-06-29),
6. 5623287 - Ink container with a controlled ink distribution therein, and method of (1997-04-22),
7. 5515091 - Replaceable ink tank (1996-05-07),
8. 5500666 - Capping member for indirectly venting the interior of an ink container, (1996-03-19),
9. 5485184 - Ink jet recording head and ink jet apparatus having same (1996-01-16),
10. 5436649 - Ink jet recording head having constituent members clamped together (1995-07-25),
11. 5389957 - Ink jet head with contoured outlet surface (1995-02-14),
12. 5280299 - Ink filling method for ink jet recording apparatus (1994-01-18),
13. 5237342 - Ink jet head and ink jet recording apparatus having an ink container (1993-08-17),
14. 5216446 - Ink jet head, ink jet cartridge using said head and ink jet recording (1993-06-01),
15. 5182581 - Ink jet recording unit having an ink tank section containing porous (1993-01-26),

Title: Innovations of Hiroshi Nakagomi

Introduction

Hiroshi Nakagomi is a prominent inventor based in Yamato, Japan. He has made significant contributions to the field of ink technology, holding a total of 18 patents. His work primarily focuses on advancements in ink containers and ink jet recording heads.

Latest Patents

Among his latest patents is the "Vented ink container with internal ink absorber." This innovative ink container features a casing, an air vent, and an ink supply opening. The ink absorbing material within retains ink and is designed with a rectangular parallelopipedal shape. It includes corner portions that enhance its functionality, ensuring that there is no complete surface contact between the casing and the ink absorbing material. This design allows for effective fluid communication through strategically placed spaces.

Another notable patent is the "Ink jet recording head with ejection outlet forming member and urging." This ink jet head comprises two members: one with an energy generating element and another with an ejection outlet forming member. The design ensures that the two members are urged together, creating a liquid passage that facilitates efficient ink ejection. Specific measurements are maintained to optimize the performance of the ejection outlet.

Career Highlights

Hiroshi Nakagomi is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to push the boundaries of ink technology, contributing to the development of innovative products that enhance user experience.

Collaborations

Throughout his career, Nakagomi has collaborated with talented individuals such as Makiko Kimura and Akio Saito. These collaborations have fostered a creative environment that has led to the successful development of various patented technologies.

Conclusion

Hiroshi Nakagomi's contributions to ink technology through his patents and work at Canon have significantly impacted the industry. His innovative designs continue to shape the future of printing technology.

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