This inventor holds 67 USPTO granted patents and 1 published patent application and 17 EPO patents, primarily in Ink Composition (CPC class C09D). Top assignees: Seiko Epson Corporation, Eiko Epson Corporation, Mikuni Shikiso Kabushiki Kaisha. Active years: 2003-2020.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Suwa, JP (2008 - 2014)
- Shiajid, JP (2014)
- Nagano-ken, JP (2003 - 2015)
- Nagano, JP (2007 - 2015)
- Matsumoto, JP (2010 - 2017)
- Kamo, JP (2017)
- Shiojiri, JP (2009 - 2020)
Company Filing History:
66 out of 34,268 
1 out of 4 
1 out of 5 Years Active: 2003-2020
Areas of Expertise:
Title: **The Innovative Contributions of Takashi Oyanagi**
Introduction
Takashi Oyanagi, a prolific inventor based in Shiojiri, Japan, has made significant strides in the field of pigment dispersion and ink composition. With an impressive portfolio of 67 patents, he stands out as a key figure in the research and development of advanced materials, particularly for recording devices.
Latest Patents
Among his latest innovations are patents focusing on pigment dispersion, ink composition, inkset, and recording devices. One notable patent describes a pigment dispersion that includes a metal pigment composed of plate-like particles. It specifies that when the longitudinal diameter of the particle is denoted as X, the lateral diameter as Y, and the thickness as Z, the 50% average particle diameter (R50) of a corresponding circle derived from the particle's surface area in the X-Y plane must fall between 0.5 and 3 micrometers, with the condition that R50 divided by Z is greater than 5.
Career Highlights
Takashi Oyanagi has had a distinguished career, having worked with notable companies such as Seiko Epson Corporation and Mitsubishi Chemical Corporation. His contributions have not only advanced manufacturing techniques but also improved the efficiency and quality of printed materials used across various industries.
Collaborations
Throughout his career, Oyanagi has collaborated with talented engineers and researchers, including coworkers Keitaro Nakano and Kiyohiko Takemoto. These partnerships have facilitated the development of innovative technologies and have fostered an environment conducive to creativity and invention.
Conclusion
Takashi Oyanagi's innovative work in pigment dispersion and ink technology significantly impacts various applications in the printing and recording industries. As he continues to explore new horizons in material science, his efforts will undoubtedly inspire future advancements in the field. His impressive patent portfolio reflects his commitment to pushing the boundaries of innovation and enhancing product performance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile