This inventor holds 4 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignees: Panasonic Corporation, Panasonic Intellectual Property Management Co., Ltd.. Active years: 2012-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Hirakata, JP (2012 - 2014)
- Osaka, JP (2015)
Company Filing History:

Years Active: 2012-2015
Title: Shigetsugu Sumiyama: Innovator in Light Emitting Technology
Introduction
Shigetsugu Sumiyama is a notable inventor based in Hirakata, Japan. He has made significant contributions to the field of light emitting technology, holding a total of 4 patents. His innovative designs focus on enhancing the efficiency and functionality of light emitting modules.
Latest Patents
Among his latest patents is a light emitting module that features a light emitting panel with feeding electrodes. These electrodes are electrically connected to the positive and negative electrodes of the light emitting unit. The module includes a circuit board that supplies electric power to the light emitting unit, all housed within a case unit. The design allows for the feeding electrodes to be arranged at the peripheral region of the light emitting panel, ensuring effective electrical connections. Another significant patent is a light module that incorporates a planar light emitting device, a wiring board, and an optical sheet. This design allows for a more compact module by eliminating the need for additional casing and packing, thus reducing the overall thickness.
Career Highlights
Shigetsugu Sumiyama has worked with prominent companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced light emitting technologies.
Collaborations
Some of his notable coworkers include Hideharu Kawachi and Satoshi Fukano. Their collaborative efforts have likely played a role in the successful development of innovative technologies in the field.
Conclusion
Shigetsugu Sumiyama's contributions to light emitting technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of the technical requirements for efficient light modules.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile