Location History:
- Hirakata, JP (2005)
- Osaka, JP (2005 - 2006)
- Kyoto, JP (2008 - 2022)
Company Filing History:
13 out of 16,453 
6 out of 13,319 
5 out of 27,375 
Years Active: 2005-2025
Title: Seiji Yamahira: Innovator in Food Management and Photosensor Technologies
Introduction: Seiji Yamahira, based in Kyoto, Japan, is a prolific inventor with a remarkable portfolio of 24 patents. His innovative spirit has led to significant advancements in both food management systems and photosensor technologies, making him a key figure in these fields.
Latest Patents: Two of Seiji Yamahira's latest patents illustrate his ingenuity and technical expertise. The first is a **Food Management System** that revolutionizes the way food items are monitored in a refrigerator. This system incorporates a pressure-sensitive sensor that collects data on the shapes, weights, and positions of food items. It features a comparator that analyzes the data over different time intervals and an identifier that detects fluctuations in food item counts and their presence.
The second patent pertains to a **Photosensor, Image Sensor, and Photosensor Driving Method**. This technology includes an avalanche photodiode (APD) with a multiplication region equipped with a photoelectric converter. It is complemented by a first capacitor and a first transistor that manage power supply connections, allowing for efficient charge accumulation and prevention of avalanche multiplication during light exposure.
Career Highlights: Throughout his career, Seiji Yamahira has made significant contributions while working at prestigious companies such as Panasonic Corporation and Panasonic Intellectual Property Management Co., Ltd. His work has enhanced the capabilities and efficiency of various products that have impacted consumers and industries alike.
Collaborations: Seiji has collaborated with notable colleagues, including Toshiki Mori and Yasuhiro Tomita. These partnerships have fostered innovative projects and propelled advancements in technology, further solidifying their reputations in the industry.
Conclusion: Seiji Yamahira stands out as a visionary inventor whose patents continue to influence the fields of food management and sensor technology. His collaborative efforts and innovative approaches exemplify his commitment to enhancing everyday life through technology. With numerous patents to his name, his legacy as an inventor is well established and continues to inspire future innovations.