This inventor holds 18 USPTO granted patents, primarily in Lighting Technology. Top assignees: Toshiba Lighting & Technology Corporation, Osram-Melco Toshiba Lighting Ltd., Other. Active years: 1991-2007.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokohama, JP (1992)
- Kanagawa, JP (1991 - 2001)
- Yokosuka, JP (1996 - 2003)
- Kanagawa-ken, JP (1998 - 2007)
Company Filing History:
16 out of 664 
1 out of 6 
1 out of 834,659 Years Active: 1991-2007
Areas of Expertise:
Title: Hisashi Honda and His Contributions to Lighting Technology.
Introduction
Hisashi Honda is an inventor associated with lighting technology in Kanagawa, Japan. His patent work includes high-pressure discharge lamps and lighting devices, with a focus on lamp construction, light output, and operating performance. His portfolio includes 18 patents.
Latest Patents
Honda’s listed patents include “High-Intensity Discharge Lamp with Particular Metal Halide Gas Filling and Lighting Device.” The invention describes a ceramic discharge vessel containing electrodes and a metal-halide filling, housed within an outer jacket. It specifies combinations of metal halides that include thulium and sets a range for the proportion of thulium halide in the filling. The design aims to provide efficient emission and maintain chromaticity within a defined range over the lamp’s operating life.
Another listed patent is “High Pressure Discharge Lamp and Luminaire.” It describes a translucent ceramic vessel with a central discharge space and narrower cylindrical sections at either end. The vessel’s internal boundary geometry, electrodes, conductors, and filling are arranged to support the lamp’s operation.
Career Highlights
Honda’s work is associated with Toshiba Lighting & Technology Corporation and Osram-Melco Toshiba Lighting Ltd. The patents described here reflect his involvement in developing discharge lamps and related lighting systems.
Collaborations
Honda’s listed coworkers include Seiji Ashida and Ariyoshi Ishizaki. Their shared association with lighting inventions reflects collaborative work in the field.
Conclusion
Hisashi Honda’s patent portfolio highlights technical contributions to ceramic high-pressure discharge lamps, metal-halide fillings, and lighting devices.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile