Location History:
- Fujisawa, JP (1983)
- Shizuoka, JP (1996)
- Itami, JP (1988 - 1999)
- Hyogo-ken, JP (1996 - 2004)
- Tokyo, JP (1994 - 2006)
- Hyogo, JP (1989 - 2007)
Company Filing History:
25 out of 21,351 
10 out of 15 
6 out of 246 
Years Active: 1983-2007
Title: The Innovative Journey of Nobuyuki Yoshioka: A Pioneer in Phase Shifter Technology
Introduction: Nobuyuki Yoshioka, hailing from Hyogo, Japan, is a prominent inventor with an impressive portfolio of 42 patents. His groundbreaking contributions to the field of technology and materials science have paved the way for advancements, particularly in the production of phase shift masks used in photolithography processes.
Latest Patents: Among his latest innovations is a highly specialized patent for a phase shifter film and its corresponding process. This invention focuses on the formation of a halftone type phase shift mask, which includes a reactive gas introduction inlet and an inert gas introduction inlet. By utilizing a reactive low throw sputtering method, Yoshioka successfully created a molybdenum silicide-based phase shifter film. This advancement enables the production of halftone type phase shift masks that are compatible with both ArF and KrF lasers, significantly enhancing the precision and efficacy of photolithography.
Career Highlights: Yoshioka has had a distinguished career, with notable tenures at Mitsubishi Electric Corporation, where he contributed to various technological innovations, and at Ulvac Coating Corporation, where he further developed his expertise in material science and manufacturing processes. His work has not only been recognized in Japan but also internationally, establishing him as a key figure in his field.
Collaborations: Throughout his career, Nobuyuki Yoshioka has collaborated with other esteemed professionals, including Akihiko Isao and Junji Miyazaki. These collaborations have facilitated the exchange of innovative ideas and techniques, further enhancing the scope of their collective research and developments in the field.
Conclusion: Nobuyuki Yoshioka's contributions to the world of invention, particularly in the realm of phase shifter technology, have left an indelible mark on the industry. With 42 patents to his name, his work continues to inspire future generations of inventors and innovators striving to push the boundaries of technology.
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.