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For the Inventor, By the Inventor

Suwa, Japan

Tsutomu Yamazaki

USPTO Granted Patents = 12

Average Co-Inventor Count = 2.3

ph-index = 9

Forward Citations = 335(Granted Patents)


Location History:

  • Suwa, JP (1993 - 2003)
  • Nagano, JP (1994 - 2003)

Company Filing History:

goldMedal12 out of 33,404 
 
Seiko Epson Corporation
 patents

Years Active: 1993-2003

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12 patents (USPTO):Explore Patents
1. 6520632 - Inkjet printer having a connection block which automatically eliminates bubbles trapped on a filter (2003-02-18),
2. 6508528 - Ink jet printer, control method for the same, and data storage medium for recording the control method (2003-01-21),
3. 6193362 - Connection unit for an inkjet head, and an inkjet cartridge and inkjet printer using the same (2001-02-27),
4. 6074036 - Ink jet head connection unit, an ink jet cartridge, and an assembly (2000-06-13),
5. 5997125 - Ink jet head connection unit, an ink jet cartridge, and an assembly (1999-12-07),
6. 5963239 - Ink jet recording apparatus and ink supply member therefor (1999-10-05),
7. 5874971 - Ink jet head connection unit, an ink jet cartridge, and an assembly (1999-02-23),
8. 5812166 - Ink cartridge package, assembly and packing method thereof, and ink (1998-09-22),
9. 5631683 - Ink jet cartridge and printer using it (1997-05-20),
10. 5295753 - Label tape printing system using thermal head and transfer ink ribbon (1994-03-22),
11. D344755 - Ink ribbon and tape cartridge for a printer (1994-03-01),
12. 5193919 - Tape printer (1993-03-16),

Title: Innovations of Tsutomu Yamazaki

Introduction

Tsutomu Yamazaki is a prominent inventor based in Suwa, Japan. He has made significant contributions to the field of inkjet printing technology, holding a total of 12 patents. His work focuses on enhancing the efficiency and reliability of inkjet printers, addressing common issues such as nozzle clogging and print defects.

Latest Patents

One of his latest patents is for an inkjet printer that features a connection block designed to automatically eliminate bubbles trapped on a filter. This innovation addresses ink discharge problems caused by trapped air bubbles, ensuring a smoother printing process. The design allows ink to be supplied through various components, and when a bubble becomes trapped, it is separated by the buoyancy of the ink, allowing it to rise and preventing print defects.

Another notable patent involves a control method for an inkjet printer that enables a non-discharge nozzle driving operation. This method stimulates and vibrates the ink meniscus in each nozzle to prevent clogging without reducing print speed. The inkjet head is moved on a carriage, and this operation is performed while the head is in motion, ensuring that printing is not delayed.

Career Highlights

Tsutomu Yamazaki has dedicated his career to advancing inkjet technology while working at Seiko Epson Corporation. His innovative approaches have led to significant improvements in print quality and efficiency, making him a key figure in the industry.

Collaborations

He has collaborated with notable coworkers such as Yukihiro Hanaoka and Kazuhiko Sato, contributing to the development of cutting-edge printing solutions.

Conclusion

Tsutomu Yamazaki's contributions to inkjet printing technology have made a lasting impact on the industry. His innovative patents and dedication to improving print efficiency continue to shape the future of printing technology.

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