Location History:
- Katano, JP (2004 - 2007)
- Osaka, JP (2008 - 2009)
Company Filing History:
4 out of 27,375 
1 out of 16,453 
Years Active: 2004-2009
Title: Tetsuo Chato: Innovator in Optical Technology
Introduction
Tetsuo Chato is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of optical technology, holding a total of 5 patents. His work focuses on enhancing the functionality and efficiency of optical devices through innovative circuit designs.
Latest Patents
One of Tetsuo Chato's latest patents is a test circuit and test method that includes supplying a current to a plurality of light-receiving elements. This test circuit comprises multiple light-receiving elements, amplifiers that convert photoelectric currents into voltage, and an electric current supplying unit. The unit selectively supplies current to different groups of light-receiving elements, optimizing the testing process. Another notable patent is an amplifier circuit and optical pickup device, which features a first operational amplifier connected to a photodiode and resistors that manage current output effectively.
Career Highlights
Throughout his career, Tetsuo Chato has worked with renowned companies such as Matsushita Electric Industrial Co., Ltd. and Panasonic Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in optical technology.
Collaborations
Tetsuo has collaborated with notable coworkers, including Yuzo Shimizu and Hiroshi Yamaguchi. Their combined expertise has contributed to the advancement of optical technologies and the successful development of various projects.
Conclusion
Tetsuo Chato's contributions to optical technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative designs continue to impact the industry positively.