Location History:
- Hase Kamakura, JP (1994 - 1997)
- Kamakura, JP (1990 - 1999)
- Chiqasaki, JP (2008)
- Chigasaki, JP (1995 - 2010)
Company Filing History:
34 out of 42,485 
1 out of 1 
1 out of 17 Years Active: 1990-2010
Title: **The Innovative Mind of Yasuo Otsuka: A Pioneer in Projection Technology**
Introduction
Yasuo Otsuka, residing in Chigasaki, Japan, is a prolific inventor with an impressive portfolio of 40 patents. His contributions to the field of optical equipment, particularly in projection technology, showcase his expertise and innovative spirit. Otsuka's work has significantly influenced the design and functionality of modern projection devices.
Latest Patents
Among Yasuo Otsuka's latest patents, two notable innovations stand out:
1. **Optical equipment with at least first and second ventilation paths** - This invention describes a projection type display apparatus that features a unique housing design. It includes an air intake opening and an exhaust opening, ensuring optimal airflow for the light source and light valve device. A first fan draws air into the housing, while a first ventilation path leads this air to the lower portion of the light valve. A second ventilation path efficiently exhausts air to maintain the apparatus's performance.
2. **Projection type display apparatus with ventilation** - Similar to his first patent, this innovative device enhances the projection type display by utilizing a robust housing structure with dedicated ventilation pathways. This design aims to improve the cooling mechanism of the light valve, thereby optimizing the light output and longevity of the device.
Career Highlights
Yasuo Otsuka's remarkable career includes significant contributions while working for esteemed companies such as Hitachi, Ltd. His vast experience in the technology sector has equipped him with a profound understanding of optical systems and their applications in modern technology.
Collaborations
Throughout his career, Yasuo Otsuka has had the privilege of collaborating with talented individuals like Mikio Shiraishi and Masahiko Yatsu. These professional relationships have undoubtedly fostered a collaborative environment that encourages innovative ideas and refined engineering solutions.
Conclusion
Yasuo Otsuka's lasting impact on the field of projection technology is evidenced by his extensive patent portfolio and his partnerships with industry leaders. His innovations reflect not only his technical skills but also his dedication to enhancing the user experience in optical equipment. As technology continues to evolve, Otsuka's contributions will serve as a foundation for future breakthroughs in this dynamic field.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.