Higashiosaka, Japan

Nobuaki Yamada

USPTO Granted Patents = 75 

 

Average Co-Inventor Count = 3.3

ph-index = 25

Forward Citations = 1,631(Granted Patents)

Forward Citations (Not Self Cited) = 1,579(Oct 12, 2025)


Inventors with similar research interests:


Location History:

  • Higashiosaka, JP (1994 - 2011)
  • Osaka, JP (1996 - 2020)
  • Sakai, JP (2018 - 2021)

Company Filing History:


Years Active: 1994-2021

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75 patents (USPTO):

Title: Nobuaki Yamada: Innovations in Printing Technology and Optical Members

Introduction:

Nobuaki Yamada is an accomplished inventor and researcher based in Higashiosaka, Japan. Throughout his career, he has contributed significantly to the fields of printing technology and optical members. With an impressive portfolio of 75 patents, Yamada's expertise and innovative solutions have brought about advancements in various industries.

Latest Patents:

Yamada's recent patents highlight his expertise in printing intaglio and optical member design. His groundbreaking inventions include the Printing Intaglio method and the Optical Member and Polymer Layer.

The Printing Intaglio patents (A) and (B) focus on the development of printing intaglio for use in intaglio printing. These patents describe a printing intaglio with a surface featuring recessed portions that form a distinct pattern to be printed. Notably, at least one of these recessed portions contains minute recessed portions within it. These patents introduce a precise dimensional range of the minute recessed portions, falling between 10 nm and 500 nm when viewed from a normal direction to the printing intaglio's surface.

The Optical Member and Polymer Layer patent involves the creation of an optical member featuring an uneven structure with multiple projections. This structure is carefully designed to have projections at a pitch not longer than the wavelength of visible light. Additionally, the patent details a polymer layer with specific amide group concentrations and storage modulus parameters. This invention holds potential applications in various optical devices.

Career Highlights:

Nobuaki Yamada has worked with esteemed companies such as Sharp Kabushiki Kaisha Corporation and Kanto Kagaku Kabushiki Kaisha. At Sharp Kabushiki Kaisha Corporation, he contributed extensively to the research and development of innovative printing technologies. His expertise in the field led to the successful patenting of his printing intaglio inventions.

Collaborations:

Throughout his career, Yamada has collaborated with talented individuals in his field. Notable coworkers include Shuichi Kozaki and Masahiko Kondo. Their collaborative efforts may have further enhanced the development and implementation of their respective inventions.

Conclusion:

Nobuaki Yamada's groundbreaking patents and contributions to printing technology and optical member design have made a significant impact on these industries. His expertise and dedication to innovation have allowed for advancements that enable enhanced printing capabilities and improved optical devices. We can expect that Yamada's continued work will lead to further breakthroughs in these fields, benefiting numerous industries and fostering technological progress.

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