Location History:
- Saitama, JP (1990)
- Kanagawa, JP (1987 - 1993)
Company Filing History:
Years Active: 1987-1993
Title: Hiroshi Ohnishi: Innovator in Silver Halide Grain Production
Introduction
Hiroshi Ohnishi, an accomplished inventor based in Kanagawa, Japan, has made significant contributions to the field of silver halide grain production. With a total of 12 patents to his name, Ohnishi's innovative techniques and apparatuses have advanced the efficiency and quality of silver halide grain manufacturing, which is vital in photographic and imaging technologies.
Latest Patents
Ohnishi's most recent patents include a novel process and apparatus for producing silver halide grains. The process involves removing water and other substances from a liquid containing fine silver halide grains formed in a mixer before transferring it to a reaction vessel. This method increases the yield of silver halide grains in relation to the raw materials used. Furthermore, by optimizing the dilution water prior to the reaction, the process allows for the creation of finer silver halide grains within the mixer, enhancing the overall quality.
In addition, his patented apparatus for forming silver halide grains features a reaction vessel designed for both nucleus formation and crystal growth of the grains. The apparatus incorporates a high-speed stirring mixer and controlled conduits for supplying necessary solutions, enabling the efficient formation of fine silver halide grains.
Career Highlights
Hiroshi Ohnishi is currently associated with Fuji Photo Film Company, Limited, where he applies his expertise in the development of advanced photo imaging technologies. His technical acumen and innovative solutions have positioned him as a valuable asset within the company.
Collaborations
Throughout his career, Ohnishi has collaborated with notable colleagues, including Yasunori Ichikawa and Akira Kojima. These partnerships have contributed to the successful development of patents and innovations that enhance the production and application of silver halide materials.
Conclusion
Hiroshi Ohnishi stands out as a prominent figure in the field of silver halide grain production, with a portfolio of patents that showcase his commitment to innovation. His work at Fuji Photo Film Company, Limited, along with his collaborations, continues to drive advancements in imaging technologies, ensuring high-quality outputs for various applications in the photography 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.