Company Filing History:
1 out of 87 
1 out of 499 Years Active: 1993
Title: The Innovations of Takashi Johnokuchi
Introduction
Takashi Johnokuchi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of phosphor production, particularly through his innovative patent.
Latest Patents
Johnokuchi holds a patent for a "Process for producing calcium tungstate phosphor." This invention involves a calcium tungstate phosphor that comprises calcium tungstate as a host and vanadium. The proportion of vanadium to calcium tungstate is maintained within a range of 0.01 to 30 ppm. The phosphor is produced by forming a solid calcium tungstate precipitate from an aqueous medium containing ammonia, calcium ion, tungstate ion, and vanadate ion, followed by firing the precipitate in the presence of a fluxing material.
Career Highlights
Throughout his career, Johnokuchi has worked with prominent companies such as Kasei Optonix, Ltd. and Mitsubishi Kasei Corporation. His experience in these organizations has contributed to his expertise in the field of materials science and phosphor technology.
Collaborations
Some of his notable coworkers include Hideo Suzuki and Etsuo Shimizu. Their collaboration has likely fostered an environment of innovation and creativity in their respective projects.
Conclusion
Takashi Johnokuchi's contributions to the field of phosphor production highlight his innovative spirit and dedication to advancing technology. His patent for calcium tungstate phosphor is a testament to his expertise and impact in the industry.
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.