Location History:
- Chiba, JP (1998 - 2001)
- Narita, JP (2003 - 2005)
- Tokyo, JP (2020)
Company Filing History:
5 out of 7,976 
1 out of 16,634 
1 out of 832,880 Years Active: 1998-2020
Title: The Innovations of Tatsuji Sano
Introduction
Tatsuji Sano is a prominent inventor based in Narita, Japan. He has made significant contributions to the field of piezoelectric materials and photovoltaic technology. With a total of 6 patents to his name, Sano's work has had a considerable impact on various technological advancements.
Latest Patents
Sano's latest patents include a piezoelectric ceramic sputtering target and a method for manufacturing a photovoltaic element. The piezoelectric ceramic sputtering target contains a perovskite type oxide represented by the chemical formula (I) of ABO3 as a main component. In this invention, the component A includes potassium and/or sodium, while component B consists of niobium, tantalum, and zirconium, with niobium being essential. The target is composed of multiple crystal grains and grain boundaries, where the molar ratio of niobium, tantalum, or zirconium in the grain boundary is higher than in the crystal grains by 30% or more. The photovoltaic element features a stack of layers including transparent conductive films, a p-type semiconductor film, an intrinsic semiconductor layer, an n-type semiconductor layer, and a backside electrode, with an intermediate layer provided between the second transparent conductive film and the p-type semiconductor layer.
Career Highlights
Throughout his career, Tatsuji Sano has worked with notable companies, including TDK Corporation. His expertise in piezoelectric materials and photovoltaic technology has positioned him as a key figure in these industries.
Collaborations
Sano has collaborated with esteemed colleagues such as Toru Nonami and Sadami Tsutsumi. Their joint efforts have contributed to the advancement of innovative technologies in their respective fields.
Conclusion
Tatsuji Sano's contributions to the fields of piezoelectric materials and photovoltaic technology highlight his role as a significant inventor. His innovative patents and collaborations continue to influence advancements in technology.