Location History:
- Ibaraki, JP (2002)
- Hyogo, JP (1995 - 2007)
- Itami, JP (1993 - 2012)
- Osaka, JP (2009 - 2015)
Company Filing History:
12 out of 1,858 
8 out of 1,179 
2 out of 2,413 
Years Active: 1993-2015
Title: Innovations and Patents of Yuji Ishihara
Introduction
Yuji Ishihara, hailing from Itami, Japan, is a prolific inventor with a remarkable portfolio comprising 22 patents. His contributions to the fields of optical technology and pharmaceuticals showcase his dedication to innovation and the improvement of existing technologies.
Latest Patents
Among his latest innovations, Ishihara has developed a lens driving device that enhances lens movement through a novel mechanism. This device features a lens holder that supports a lens, a driving portion that utilizes magnetic forces generated by a coil and a magnet, and a guide shaft for smooth movement. Notably, as the lens holder transitions to a target position, an alternating current (AC) voltage is applied to the coil during the movement, with the amplitude of the voltage decreasing in a stepwise manner over time.
In addition, Ishihara has made significant strides in pharmaceuticals with his patent for agents and crystals aimed at improving the excretory potency of the urinary bladder. These agents include an amine compound that inhibits acetylcholinesterase, and notably, he discloses crystals of a specific tricyclic heterocyclic derivative that exhibits excellent potency in this regard. Such innovations hold potential for significant advancements in medical treatments related to urinary function.
Career Highlights
Throughout his career, Yuji Ishihara has held positions at notable companies including Takeda Chemical Industries and Takeda Pharmaceutical Company Limited. These affiliations not only underscore his professional stability but also his contributions to cutting-edge research and development in both the pharmaceutical and optical industries.
Collaborations
Yuji Ishihara has collaborated with esteemed colleagues such as Giichi Goto and Masaomi Miyamoto. Together, they have fostered an environment of innovation that has led to advancements in their respective fields.
Conclusion
In conclusion, Yuji Ishihara's advancements through his patents significantly contribute to the fields of optical technology and pharmaceuticals. His innovative designs and collaborations with renowned colleagues reflect his commitment to pushing the boundaries of technology and improving quality of life through practical applications. Yuji Ishihara's work exemplifies the spirit of innovation that drives progress in technology and medicine.