This inventor holds 7 USPTO granted patents and 3 EPO patents. Top assignees: Sharp Kabushiki Kaisha Corporation, Mishima Paper Co., Ltd., Naigai Ink. Mgf. Co., Ltd.. Active years: 1982-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Higashihiroshima, JP (2000 - 2002)
- Yaita, JP (2011)
- Osaka, JP (1982 - 2015)
Company Filing History:

Years Active: 1982-2015
Title: Osamu Fujii: Innovator in Sound Reproduction and Display Technology
Introduction
Osamu Fujii is a notable inventor based in Osaka, Japan. He has made significant contributions to the fields of sound reproduction and display technology. With a total of 7 patents to his name, Fujii's work focuses on enhancing the auditory experience, particularly for elderly individuals.
Latest Patents
Fujii's latest patents include a sound reproducing apparatus and method, which aim to optimize sound for the hearing functions specific to elderly people. This invention features a frequency characteristic setting portion that emphasizes the human voice band, allowing elderly users to hear it clearly even at lower volumes. As the volume increases, the frequency characteristics adjust to provide a flatter response, ensuring a comfortable listening experience. Another significant patent involves a display device that enhances picture quality based on genre information. This technology includes a basic picture quality information receiving section and a picture processing section that corrects and displays images on liquid crystal display devices.
Career Highlights
Throughout his career, Osamu Fujii has worked with prominent companies such as Sharp Corporation and Mishima Paper Co., Ltd. His experience in these organizations has allowed him to develop innovative technologies that address real-world challenges in sound and visual media.
Collaborations
Fujii has collaborated with notable individuals in the industry, including Isamu Yoshino and Yasohachi Takahashi. These partnerships have contributed to the advancement of his inventions and the overall improvement of technology in his field.
Conclusion
Osamu Fujii's contributions to sound reproduction and display technology highlight his commitment to innovation. His patents reflect a deep understanding of user needs, particularly for the elderly, and demonstrate his ability to create practical solutions. Fujii's work continues to influence the industry and improve the auditory and visual experiences of users worldwide.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile