Location History:
- Onoda, JP (1990 - 1992)
- Ichikawa, JP (1986 - 1995)
- Chiba-ken, JP (1998)
- Chiba, JP (2002)
- Funabashi, JP (1980 - 2005)
Company Filing History:
17 out of 1,235 
1 out of 191 Years Active: 1980-2005
Title: Isao Hashiba: A Pioneer in Chemical Innovations
Introduction
Isao Hashiba is a remarkable inventor hailing from Funabashi, Japan, with an impressive portfolio of 17 patents. His work has significantly contributed to the field of chemical engineering, particularly in the synthesis of specialized compounds that are essential in various industrial applications.
Latest Patents
Among his latest inventions is the "Process for preparing N-methylated melamines." This innovative process allows for the preparation of N-methylated melamines using inexpensive raw materials through simple steps. It enables control over the proportions of mono-type, bis-type, and tris-type N-methylated melamines. The method involves reacting melamine with methylamine in the presence of an acidic catalyst under pressure, effectively substituting at least one amino group of the melamine with a methylamino group.
Another notable patent is the "Process for preparing bromoisophthalic acid compounds." This invention focuses on developing bromoisophthalic acid compounds, especially 5-bromoisophthalic and 4,5-dibromoisophthalic acids. The process consists of brominating an isophthalic acid compound using bromine in a solvent with sulfur trioxide, aiming for high selectivity utilizing industrially inexpensive bromine.
Career Highlights
Isao Hashiba has made significant strides in his career, particularly through his associations with prominent companies in the chemical industry. His contributions at Nissan Chemical Industries Limited and Sagami Chemical Research Center have been crucial in driving forward various chemical innovations, enhancing production efficiencies and advancing research.
Collaborations
Throughout his illustrious career, Hashiba has had the privilege of working alongside talented individuals, including his coworkers Hideo Suzuki and Kenichi Tokunaga. These collaborations have fostered an environment of innovation and creativity, propelling forward the advancements in their respective fields.
Conclusion
Isao Hashiba's inventive spirit and commitment to advancing chemical processes have established him as a significant figure in the industry. With a growing number of patents and innovative techniques, his contributions continue to impact various sectors, demonstrating the importance of creativity and research in driving industry forward.
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.