This inventor holds 68 USPTO granted patents and 2 published patent applications, plus 2 CIPO patents and 11 EPO patents, primarily in Recording Technology (CPC class B41J). Top assignees: Seiko Epson Corporation, Fuji Electric Co., Ltd., Jfe Steel Corporation. Active years: 1987-2026.
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:
- Saitama, JP (2008)
- Nagano, JP (1999 - 2016)
- Shiojiri, JP (2007 - 2016)
- Tokyo, JP (2000 - 2022)
- Kanagawa, JP (1987 - 2023)
- Matsumoto, JP (2018 - 2024)
Company Filing History:
43 out of 34,268 
9 out of 4,826 
6 out of 1,962 
Years Active: 1987-2026
Areas of Expertise:
Title: **Katsumi Yamada: A Pioneer in Liquid Discharge Innovations**
Introduction
Katsumi Yamada is a notable inventor based in Matsumoto, Japan, recognized for his extensive contributions to the field of recording apparatus technologies. With an impressive portfolio of 59 patents, Yamada has developed innovative solutions that significantly enhance the efficiency and functionality of liquid discharge systems.
Latest Patents
Yamada's recent inventions include a series of patents focused on a liquid discharge apparatus, waste liquid collecting unit, and waste liquid collecting method. One of the key features of these inventions is a recording apparatus that integrates a first absorbing member, designed to absorb waste liquid discarded from a discharge head. This innovative design is crucial for managing liquid waste effectively during the recording process. The apparatus also consists of a second absorbing member that captures the waste liquid directed from a cap, along with an accommodating section that secures this second absorbing member. Notably, the delivery section between the two absorbing members is designed with a downward inclination to facilitate efficient liquid transfer, which varies based on the inserted state of the accommodating section.
Career Highlights
Throughout his career, Katsumi Yamada has worked with leading technology firms, including Seiko Epson Corporation and Fuji Electric Co., Ltd. His roles in these organizations have allowed him to leverage his inventive skills, leading to the creation of groundbreaking technologies in liquid discharge systems.
Collaborations
Yamada has collaborated with talented individuals such as Keisuke Sasaki and Shintaro Miyamoto. These partnerships have contributed to the refinement and implementation of his innovative ideas, showcasing the power of teamwork in technological advancements.
Conclusion
Katsumi Yamada’s contributions to the field of patents, particularly in liquid discharge technologies, exemplify the spirit of innovation. His extensive patent portfolio not only reflects his ingenuity but also plays a vital role in advancing the efficiency and capability of recording apparatuses in various applications. Through his career and collaborations, Yamada continues to be a significant figure in the realm of innovations and inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile