IDiyas

For the Inventor, By the Inventor

Kawasaki, Japan

Takumi Kawamura

USPTO Granted Patents = 13

Average Co-Inventor Count = 4.4

ph-index = 7

Forward Citations = 186(Granted Patents)


Location History:

  • Inagi, JP (1994 - 2002)
  • Fuchu, JP (2002)
  • Kawasaki, JP (1999 - 2003)

Company Filing History:

goldMedal9 out of 39,228 
 
Fujitsu Corporation
 patents
silverMedal4 out of 26 
 
Fujitsu Isotec Limited
 patents

Years Active: 1994-2003

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13 patents (USPTO):Explore Patents
1. 6508544 - Ink-jet head and printer using the same (2003-01-21),
2. 6450604 - Inkjet printing method and device (2002-09-17),
3. 6428137 - Inkjet printing method and device (2002-08-06),
4. 6382780 - Inkjet head formed of divided pressure-chamber plate, method for manufacturing the same, and recording device having the inkjet head (2002-05-07),
5. 6328435 - Ink jet head and ink jet recording device (2001-12-11),
6. 6243114 - Ink jet head providing improved printing resolution and printing speed (2001-06-05),
7. 6036305 - Ink cartridge with residual ink retaining structure (2000-03-14),
8. 5971522 - Ink-jet head for providing accurate positioning of nozzles of segment (1999-10-26),
9. 5917515 - Ink jet printer having backup unit with any one or both of a pump (1999-06-29),
10. 5531431 - Paper feeder for portable printer (1996-07-02),
11. 5423529 - Paper feeder for portable printer (1995-06-13),
12. 5409275 - Magnetic retaining device for electronic apparatus (1995-04-25),
13. 5312144 - Magnetic retaining device for electronic apparatus (1994-05-17),

Title: Innovator Spotlight: Takumi Kawamura

Introduction: Takumi Kawamura, based in Kawasaki, Japan, is a notable inventor recognized for his contributions in the field of ink-jet technology. With a total of 13 patents to his name, Kawamura has significantly advanced the functionality and efficiency of ink-jet printers.

Latest Patents: Among his latest innovations, Takumi Kawamura developed a sophisticated ink-jet head and an innovative printing method. The ink-jet head features a head portion with multiple segments and an ink feeding portion designed to optimize ink supply through a series of pipes. These pipes are ingeniously held by elastic ring-shaped members, further secured by rigid ring-shaped members for enhanced stability. His inkjet printing method focuses on precision; it utilizes a piezoelectric element that alters drive voltages to control the ink drop's injection timing, ensuring optimal application on print media.

Career Highlights: Throughout his career, Kawamura has worked with renowned companies such as Fujitsu Corporation and Fujitsu Isotec Limited. His experience in these prestigious organizations has allowed him to refine his skills and drive forward innovation in printing technologies.

Collaborations: Takumi Kawamura has collaborated with accomplished professionals in his field, including Akihiko Miyaki and Masahiro Ono. These partnerships have helped him leverage different perspectives and expertise, contributing to the success of his patents.

Conclusion: Takumi Kawamura's impressive portfolio of 13 patents and his pivotal work in ink-jet technology mark him as a significant figure in modern innovation. His commitment to improving printing technologies through inventive solutions continues to impact the industry and showcases the spirit of creativity that drives progress in the field.

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