Company Filing History:

15 out of 33,404

Seiko Epson Corporation

patents

1 out of 1,306

Dainippon Screen Mfg. Co., Ltd.

patents

where one patent can have more than one assignee

Years Active: 2001-2021

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11148433 - Liquid ejecting apparatus (2021-10-19),

2. 9242475 - Liquid ejecting apparatus (2016-01-26),

3. 9004658 - Liquid storing container (2015-04-14),

4. 7883175 - Liquid ejecting apparatus (2011-02-08),

5. 7407244 - Printing method and printing apparatus (2008-08-05),

6. D570405 - Ink bag (2008-06-03),

7. D551289 - Ink bag (2007-09-18),

8. 7188956 - Optical device and rear projector (2007-03-13),

9. 6776467 - Method of controlling ink jet recording apparatus (2004-08-17),

10. 6682171 - Ink jet head unit and ink jet printing apparatus incorporating the same (2004-01-27),

11. 6607317 - Printing apparatus (2003-08-19),

12. 6361142 - Waste ink reservoir for ink jet printer and ink jet printer incorporating the same (2002-03-26),

13. 6356710 - DC motor control system and method (2002-03-12),

14. 6318834 - Ink jet recording apparatus and method of controlling the same based on cartridge absence time period (2001-11-20),

15. 6283577 - Ink jet recording apparatus and method of flushing a recording head of the same (2001-09-04),

Title: Nobutoshi Otsuka: Innovator in Liquid Ejecting Technology

Introduction

Nobutoshi Otsuka is a prominent inventor based in Hotaka-machi, Japan. He holds a total of 15 patents, showcasing his significant contributions to the field of liquid ejecting technology. His innovative designs have advanced the capabilities of liquid ejecting apparatuses, making them more efficient and effective.

Latest Patents

Otsuka's latest patents include a sophisticated liquid ejecting apparatus that features a liquid supply path and a liquid discharge path. This apparatus is equipped with a supply-side pressure adjustment mechanism that maintains a gas-liquid interface at the nozzle. Additionally, it includes a discharge-side pressure adjustment valve that introduces fluid into a discharge-side liquid chamber when necessary. Another notable patent involves a liquid ejecting apparatus with multiple nozzles, a common liquid chamber, and a deaeration unit that enhances the liquid flow path.

Career Highlights

Throughout his career, Nobutoshi Otsuka has worked with esteemed companies such as Seiko Epson Corporation and Dainippon Screen Manufacturing Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in liquid ejecting technology.

Collaborations

Otsuka has collaborated with notable coworkers, including Zenta Kosaka and Seiji Mochizuki. Their combined expertise has fostered an environment of innovation and creativity in their projects.

Conclusion

Nobutoshi Otsuka's work in liquid ejecting technology has made a significant impact on the industry. His patents reflect a deep understanding of fluid dynamics and engineering principles. Otsuka's contributions continue to influence advancements in this field.

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1 patent (EPO):

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.