Inventors with similar research interests:
Location History:
- Saitama, JP (1997 - 1998)
- Toda, JP (1998)
- Saitama-ken, JP (1999)
- Satama, JP (2000 - 2001)
- Akou, JP (2007 - 2009)
- Koto-ku, JP (2013)
- Chiyoda-ku, JP (2018)
- Shizuoka, JP (2020)
- Tokyo, JP (1993 - 2024)
Company Filing History:
30 out of 147 
28 out of 15,928 
5 out of 35,734 
Years Active: 1993-2025
Areas of Expertise:
Title: Innovations of Koji Yamanaka: A Pioneer in Substrate Treatment and Conductivity Measurement
Introduction
Koji Yamanaka, based in Tokyo, Japan, is a renowned inventor with an impressive portfolio of 67 patents. His contributions to the fields of conductivity measurement and substrate treatment have significantly advanced technological applications.
Latest Patents
Among his most recent innovations is a method and system for measuring the conductivity of decationized water. This invention enhances efficiency by reducing the time required for a conductivity meter to be ready for use after the initiation of an electric decationizing process. The process involves supplying water with cations and anions to an electric decationizing apparatus while applying an initial voltage, producing decationized water. Prior to applying the first voltage, a second, lower voltage is administered to enhance the readiness of the apparatus, thus streamlining the measurement process.
Additionally, Yamanaka has developed a substrate treatment method and equipment aimed at minimizing corrosion or oxidation of metal wiring exposed on substrate surfaces. This innovative apparatus includes a treatment chamber for substrate placement and an inert gas filling mechanism. The system also features a catalytic unit filled with a platinum-group metal catalyst, through which hydrogen-dissolved water is passed and utilized in the substrate treatment solution.
Career Highlights
Throughout his distinguished career, Koji Yamanaka has held prominent positions at well-respected companies, including Organo Corporation and Mitsubishi Electric Corporation. His work at these organizations has contributed significantly to his knowledge and expertise in the field, facilitating his innovative spirit and patent achievements.
Collaborations
Yamanaka has collaborated with notable peers in the industry, including Hiroshi Inoue and Yukinari Yamashita. These partnerships have fostered a rich environment for shared ideas and technological advancements, furthering progress in their respective fields.
Conclusion
Koji Yamanaka’s inventive spirit and dedication to innovation are evident through his extensive patent portfolio. His groundbreaking work on conductivity measurement and substrate treatment technology continues to have a profound impact in various sectors, showcasing his status as a leading inventor in Japan and beyond.