This inventor holds 1 USPTO granted patent. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1990
Title: Kimio Shiraiwa and His Mercury Vapor Lamp Patent
Introduction
Kimio Shiraiwa is an inventor associated with Yokohama, Japan. His recorded patent concerns a low-pressure mercury vapor discharge lamp, and he is associated with Kabushiki Kaisha Toshiba.
Latest Patents
Shiraiwa’s listed patent is titled “Low-pressure mercury vapor discharge lamp.” It describes a lamp with at least two substantially parallel tube sections that hold mercury vapor. Sealed ends, discharge electrodes, and reduced-diameter connecting tubes form the lamp’s discharge path. An amalgam helps maintain mercury vapor pressure at a level that keeps the discharge luminance substantially constant. Shiraiwa is credited with 1 patent in the information provided.
Career Highlights
The available information connects Shiraiwa’s inventive work with Toshiba and highlights his contribution to lamp design. The patent focuses on maintaining stable luminance through the lamp’s structure and control of mercury vapor pressure.
Collaborations
The listed coworkers associated with Shiraiwa are Naotosi Toume and Masahiko Asakura.
Conclusion
Kimio Shiraiwa’s recorded patent presents a low-pressure mercury vapor lamp designed to sustain consistent luminance, reflecting his contribution to lighting technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile