Yasufumi Yamada

This inventor holds 24 USPTO granted patents, plus 2 CIPO patents and 1 EPO patent, primarily in Optical Technologies. Top assignees: Ricoh Company, Ltd., Nippon Telegraph and Telephone Corporation, Riken Corporation. Active years: 1988-2023.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasufumi Yamada. Retrieved from https://idiyas.com/inventor/yasufumi-yamada

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 24

% Patents Active = 54.2

CIPO Patents = 2

EPO Patents = 1 (Patent Applications = 1)

Average Co-Inventor Count = 4.2

ph-index = 10

Forward Citations = 391(Granted Patents)

Location History:

Ibaraki, JP (1999)
Higashihara Mito-shi, Ibaraki, JP (2000)
Kanagawa-ken, JP (2004)
Mito, JP (1988 - 2005)
Tokyo, JP (2001 - 2006)
Ohta-ku, JP (2006 - 2011)
Kanagawa, JP (2008 - 2011)
Yokohama, JP (2009 - 2014)
Osaka, JP (2016 - 2023)

Company Filing History:

Nippon Telegraph and Telephone Corporation

Ntt Electronics Corporation

patents

7. 2 out of 834,570

Other

patents

where one patent can have more than one assignee

Years Active: 1988-2023

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Areas of Expertise:

Optical Device

Laser Processing

Distance Measuring

Imaging System

Three-Dimensional Structure

Wavelength Multiplexing

Stereo Camera

Opto-Electronic Integration

Hybrid Optical Circuit

Guided-Wave Circuit

Optical Module

Mark Forming Method

24 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11808855 - Optical device, range sensor using optical device, and mobile object (2023-11-07),

2. 11579289 - Distance measuring apparatus and mobile body including the same (2023-02-14),

3. 9445062 - Imaging device, imaging system, and imaging method (2016-09-13),

4. 8760501 - Stereo camera apparatus and vehicle-mountable monitoring apparatus using same (2014-06-24),

5. 8049138 - Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure (2011-11-01),

6. 7910869 - Laser processing apparatus using distinct horizontal and vertical data sets (2011-03-22),

7. 7518086 - Method and device for adjusting wavelength distribution pattern in laser (2009-04-14),

8. 7482052 - Method for processing by laser, apparatus for processing by laser, and three-dimensional structure (2009-01-27),

9. 7343127 - Mark forming method for moving body and moving body having mark (2008-03-11),

10. 7072566 - Ultrashort-pulse laser-working method and apparatus and structural bodies produced by using the same (2006-07-04),

11. 7067198 - Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure (2006-06-27),

12. 6949215 - Method for processing a three-dimensional structure by laser (2005-09-27),

13. 6885823 - Wavelength multiplexing/demultiplexing unit, wavelength multiplexing/demultiplexing apparatus and wavelength multiplexing/demultiplexing method (2005-04-26),

14. 6816178 - Method and apparatus for color image forming capable of performing a precise synchronization between toner image forming per color and its overlaying (2004-11-09),

15. 6803540 - Method and apparatus for processing three-dimensional structure, method for producing three-dimensional shape product and three-dimensional structure (2004-10-12),

Title: Yasufumi Yamada - Pioneering Innovator in the Tech Industry

Introduction: Yasufumi Yamada, a visionary inventor based in Yokohama, JP, has made a significant impact in the tech industry with his relentless pursuit of innovation. With 24 patents to his name, he is renowned for his ability to create solutions for complex challenges and drive technological advancements.

Latest Patents: Yamada's latest patents showcase his expertise in optical devices and distance measuring apparatus. His creations include an optical device with surface-emitting laser elements, a range sensor using optical technology, and a mobile object tracking system. These inventions highlight his keen eye for detail and dedication to enhancing precision and efficiency in technology.

Career Highlights: Throughout his career, Yasufumi Yamada has worked with esteemed companies such as Ricoh Company, Ltd. and Nippon Telegraph and Telephone Corporation. His contributions have played a key role in advancing the research and development efforts of these organizations, solidifying his reputation as a leading innovator in the field.

Collaborations: Yamada's collaborative spirit is evident in his work with esteemed coworkers Kuniharu Kato and Masahiro Yanagisawa. Together, they have combined their expertise to drive innovation and push the boundaries of technology, shaping the future of the industry.

Conclusion: Yasufumi Yamada's passion for innovation and commitment to excellence have earned him a well-deserved reputation as a visionary inventor in the tech industry. His inventions continue to inspire the next generation of inventors and pave the way for groundbreaking advancements in technology.

Profile summary based on public USPTO records.