logo

For the Inventor, By the Inventor

Hashima, Japan

Yumiko Ohashi

USPTO Granted Patents = 15

Average Co-Inventor Count = 1.7

ph-index = 7

Forward Citations = 165(Granted Patents)


Location History:

  • Hajima, JP (1992)
  • Nagoya, JP (1996 - 1998)
  • Hashima, JP (1992 - 2010)

Company Filing History:

goldMedal15 out of 17,600 
 
Brother Kogyo Kabushiki-Kaisha
 patents
silverMedal2 out of 73 
 
Nihon Shinku Gijutsu Kabushiki Kaisha
 patents
where one patent can have more than one assignee

Years Active: 1992-2010

Loading Chart...
15 patents (USPTO):Explore Patents
1. 7845070 - Manufacturing method of ink jet head (2010-12-07),
2. 7086154 - Process of manufacturing nozzle plate for ink-jet print head (2006-08-08),
3. 5984447 - L-shaped inkjet print head in which driving voltage is directly applied (1999-11-16),
4. 5840374 - Method of forming a SiO.sub.2 passivation film on a plastic substrate (1998-11-24),
5. 5825386 - Piezoelectric ink-jet device and process for manufacturing the same (1998-10-20),
6. 5677717 - Ink ejecting device having a multi-layer protective film for electrodes (1997-10-14),
7. 5594482 - Ink jet printer head with ink channel protective film (1997-01-14),
8. 5554451 - Optical data recording medium (1996-09-10),
9. 5554418 - Method of forming passivation film (1996-09-10),
10. 5475407 - Ink ejecting printer head (1995-12-12),
11. 5455818 - Optical recording medium (1995-10-03),
12. 5277783 - Manufacturing method for orifice plate (1994-01-11),
13. 5199024 - Optical data storage medium having embedded tracking information (1993-03-30),
14. 5095478 - Optical data storage medium having interference and flattening layers (1992-03-10),
15. 5089358 - Optical recording medium (1992-02-18),

Title: Yumiko Ohashi: Innovator in Ink Jet Technology

Introduction

Yumiko Ohashi is a prominent inventor based in Hashima, Japan. She has made significant contributions to the field of ink jet technology, holding a total of 15 patents. Her innovative approaches have advanced the manufacturing processes of ink jet heads and nozzle plates.

Latest Patents

Ohashi's latest patents include a manufacturing method of an ink jet head. This method involves several steps, such as forming flow path holes on flow path plates, laminating these plates with a nozzle plate, and applying a protective film. Another notable patent is the process of manufacturing a nozzle plate for an ink-jet print head. This process includes creating a substrate with nozzle holes and applying a non-wetting layer to enhance performance.

Career Highlights

Throughout her career, Yumiko Ohashi has worked with notable companies, including Brother Industries, Ltd. and Nihon Shinku Gijutsu Co., Ltd. Her work has been instrumental in developing advanced technologies in the printing industry.

Collaborations

Ohashi has collaborated with esteemed colleagues such as Hideo Maruyama and Kazunari Taki. These partnerships have fostered innovation and contributed to her success in the field.

Conclusion

Yumiko Ohashi's contributions to ink jet technology exemplify her dedication to innovation and excellence. Her patents and collaborations highlight her impact on the industry and her role as a leading inventor.

This text is generated by artificial intelligence and may not be accurate.
Please report any incorrect information to support@idiyas.com
Loading…