This inventor holds 42 USPTO granted patents and 13 published patent applications and 1 EPO patent, primarily in Liquid Crystal Displays. Top assignees: Matsushita Electric Industrial Co., Ltd., Panasonic Intellectual Property Management Co., Ltd., Toshiba Matsushita Display Technology Co., Ltd.. Active years: 1995-2026.
Location History:
- Ikuno-ku, Osaka-shi, Osaka JP (2003)
- Ishikawa, JP (2005)
- Nishinomiya, JP (2002 - 2007)
- Kanazawa, JP (2008 - 2013)
- Osaka, JP (1995 - 2024)
Company Filing History:
23 out of 27,375 
7 out of 13,338 
6 out of 248 
Years Active: 1995-2026
Areas of Expertise:
Title: Hirofumi Kubota: A Pioneer in Indoor Air Quality and Optical Innovations
Introduction
Hirofumi Kubota, an esteemed inventor based in Osaka, Japan, has made significant contributions to the fields of indoor air quality systems and optical technology. With a remarkable portfolio of 39 patents, Kubota's innovations highlight his dedication to enhancing user experience in both environmental comfort and optical devices.
Latest Patents
Among his notable inventions is an advanced air conditioning system designed to calculate an indoor air quality index for effective control of air ventilation. This system incorporates a sensor that detects air quality and provides essential data to a controller, which then calculates an air quality index based on various parameters. This index is expressed mathematically to consider factors such as CO concentration, total volatile organic compounds (TVOC), particulate matter, and environmental conditions like temperature and humidity.
Another standout patent by Kubota involves optical devices featuring innovative light distribution technology. This invention utilizes two light-transmissive substrates and a specialized light distribution layer that optimally disperses incident light. The design includes unique uneven structures, enhancing the device's functionality while integrating birefringent materials for improved optical performance.
Career Highlights
Hirofumi Kubota has lent his expertise to several prominent companies, notably Matsushita Electric Industrial Co., Ltd. and Panasonic Intellectual Property Management Co., Ltd. His tenure at these organizations has not only enriched his experience but also propelled his innovative capabilities, leading to his extensive patent portfolio.
Collaborations
Throughout his career, Kubota has collaborated with esteemed colleagues, including Tsuyoshi Uemura and Kenji Nakao. These partnerships have fostered a synergistic environment, encouraging the exchange of innovative ideas and further advancing their projects.
Conclusion
Hirofumi Kubota's groundbreaking patents in indoor air quality control and optical technologies underscore his impactful presence in the innovation landscape. His dedication to improving environmental conditions and optical performance continues to inspire future innovations and pave the way for enhanced user experiences.