Company Filing History:
2 out of 127 
1 out of 349 
3 out of 833,002 Years Active: 1982-1990
Title: Ryo Toyokuni: Innovator in Crystal Manufacturing
Introduction
Ryo Toyokuni is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of crystal manufacturing, holding a total of 4 patents. His innovative methods have advanced the production of single crystals, which are essential in various technological applications.
Latest Patents
One of Toyokuni's latest patents is a method of manufacturing calcium carbonate single crystals. This process involves dissolving a starting material composed of calcium carbonate in a nitrate aqueous solution containing either Ca(NO.sub.3).sub.2 or NH.sub.4 NO.sub.3 under heat and pressure. The hydrothermal synthesis within the nitrate solution facilitates the rapid growth of calcium carbonate single crystals. Another significant patent is for the manufacturing of BaPb.sub.1-x Bi.sub.x O.sub.3 single crystals. This method utilizes hydrothermal synthesis, applying heat and pressure to a nutrient composed of BaPb.sub.1-x Bi.sub.x O.sub.3 within nitrate aqueous solutions such as LINO.sub.3, KNO.sub.3, and NaNO.sub.3.
Career Highlights
Throughout his career, Ryo Toyokuni has worked with reputable companies, including Seiko Instruments & Electronics Ltd. His expertise in crystal manufacturing has positioned him as a key figure in the industry, contributing to advancements in material science.
Collaborations
Toyokuni has collaborated with esteemed colleagues such as Shinichi Hirano and Hiroshi Kuroda. These partnerships have fostered innovation and have been instrumental in the development of his patented methods.
Conclusion
Ryo Toyokuni's contributions to the field of crystal manufacturing through his innovative patents highlight his role as a leading inventor in Japan. His work continues to influence advancements in technology and material science.