Location History:
- Machida, JA (1976)
- Machida, JP (1978)
- Kanagawa, JP (1986)
- Yokohama, JP (1980 - 1989)
- Fujisawa, JP (1983 - 2011)
Company Filing History:
44 out of 42,508 
4 out of 365 
2 out of 67 
Years Active: 1976-2011
Areas of Expertise:
Title: **Yoshizumi Watatani: Innovator in Digital Information Technologies**
Introduction
Yoshizumi Watatani, an accomplished inventor based in Fujisawa, Japan, has built an impressive portfolio with 48 patents to his name. Known for his significant contributions to the field of digital information technologies, Watatani's inventions enhance the way digital audio and video information is processed and transmitted.
Latest Patents
Two of his latest patents highlight his innovative capabilities. The first is an "Apparatus and method for receiving and recording digital information," which describes a digital information receiving apparatus that can receive video and audio signals. This apparatus features a unique bit-compression method for video signals and a contrasting bit-expansion method for audio signals, allowing for efficient signal processing. The second patent, titled "Method for transmitting digital audio and video information," outlines a method to compress both digital video and audio information differently while adding error-detection information, ensuring reliable transmission over a designated path.
Career Highlights
Throughout his career, Yoshizumi Watatani has been affiliated with prestigious companies, including Hitachi, Ltd. and Hitachi Consumer Electronics Co., Ltd. His experience in these organizations has facilitated his growth as an inventor and has allowed him to contribute significantly to the fields of consumer electronics and digital communication technologies.
Collaborations
Watatani has collaborated with notable colleagues, including Hitoaki Owashi and Akira Shibata. Their teamwork has undoubtedly enhanced the innovation pipeline and furthered the development of advanced digital technologies.
Conclusion
Yoshizumi Watatani's work and patents signify important advancements in the way digital information is received, recorded, and transmitted. His career reflects a commitment to innovation and collaboration within the tech industry, making him a prominent figure in digital communication technologies. As he continues to develop and refine his inventions, Watatani's impact on the industry is certain to grow.