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Mayumi Yamamoto

This inventor holds 32 USPTO granted patents, primarily in Ink-Jet Printing. Top assignees: Canon Kabushiki Kaisha, Dena Co., Ltd.. Active years: 1988-2017.

USPTO Granted Patents = 32

% Patents Active = 96.9

Average Co-Inventor Count = 4.0

ph-index = 21

Forward Citations = 922(Granted Patents)

Location History:

Nihonbashi, JP (1988 - 1992)
Tokyo, JP (1989 - 2017)

Company Filing History:

31 out of 92,901

Canon Kabushiki Kaisha

Years Active: 1988-2017

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Areas of Expertise:

Ink-Jet Recording

Image Forming Process

Ink Formulation

Color Signal Processing

Solid State Image Pickup

Thermal Transfer Recording

Trisazo Compounds

Recording Apparatus

Ink Set

Luminance Control

Dye Compositions

32 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 9819503 - Server device for exchanging messages (2017-11-14),

2. 6281917 - Image forming process employing liquid composition and ink in combination (2001-08-28),

3. 6186615 - Apparatus and method for forming a black image in which black ink is overlaid on color ink (2001-02-13),

4. 6174354 - Ink, ink-jet recording process and apparatus using the same (2001-01-16),

5. 6062674 - Method and apparatus for ink-jet printing (2000-05-16),

6. 6027210 - Ink-jet recording process using liquid formulation and ink in combination (2000-02-22),

7. 6007182 - Ink-jet recording method employing inks of different characteristics and (1999-12-28),

8. 6003987 - Ink set recording apparatus and method using ink set having a dye that (1999-12-21),

9. 5911815 - Ink set and ink-jet recording method using the same (1999-06-15),

10. 5728201 - Ink, and ink-jet recording method and instruments using the same (1998-03-17),

11. 5583568 - Solid state image pickup apparatus having improved luminance control (1996-12-10),

12. 5581298 - Color signal processing apparatus using plural luminance signals (1996-12-03),

13. 5571313 - Ink-jet ink (1996-11-05),

14. 5563657 - Solid state image pickup apparatus having improved luminance control (1996-10-08),

15. 5482545 - Ink, and ink-jet recording method and instrument using the same (1996-01-09),

Title: Mayumi Yamamoto: Innovator in Messaging Technologies and Imaging Processes

Introduction

Mayumi Yamamoto, based in Tokyo, Japan, is a distinguished inventor with a remarkable portfolio of 32 patents. His innovative contributions span across various fields, including messaging technologies and imaging processes.

Latest Patents

Among his most recent inventions is a server device for exchanging messages. This innovative system allows for controlled messaging between users registered in a chatting service while managing the interactions with unregistered users. The server apparatus not only controls these exchanges but also facilitates friend list management, suggesting potential friends based on certain criteria related to user registration. Another significant patent revolves around an image forming process that employs a specific liquid composition and ink combination, showcasing his expertise in the imaging sector.

Career Highlights

Throughout his career, Yamamoto has been affiliated with notable companies including Canon Inc. and DeNA Co., Ltd. His work at these organizations has significantly influenced advancements in both messaging systems and imaging technology, cementing his status as a key figure in innovation.

Collaborations

Yamamoto has collaborated with talented professionals such as Tsuyoshi Eida and Takao Yamamoto. These partnerships have fostered a creative environment that has driven forward-thinking solutions and revolutionary ideas across his projects.

Conclusion

Mayumi Yamamoto’s extensive experience and contributions to innovative technologies demonstrate his integral role in the field. His work continues to inspire future inventors and sets a high standard for innovation in messaging and imaging processes.

Profile summary based on public USPTO records.

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