Location History:
- Jyoyo, JP (1984)
- Tsuzuki, JP (1986 - 1994)
Company Filing History:
9 out of 16 
1 out of 3 Years Active: 1984-1994
Title: **Hajime Kawai: Innovator in Recording Materials**
Introduction
Hajime Kawai is a notable inventor based in Tsuzuki, Japan, known for his significant contributions to the field of recording materials. With an impressive portfolio of 9 patents, Kawai has dedicated his career to developing innovative solutions that enhance imaging technologies and recording capabilities.
Latest Patents
Among his latest inventions, Kawai has developed a novel phthalide compound that serves as a recording material. This compound excels in producing a striking blue-black color with a developer, making it suitable for optical character recognition. The chemical formula of this compound allows it to form intense color images, which are useful for various applications, notably in communication and data transmission technologies. Additionally, his thermosensitive recording material utilizes a durene derivative to create high color sensitivity, achieved through a reactive leuco dye and a color-developing agent that activates upon heating.
Career Highlights
Throughout his career, Hajime Kawai has worked with prominent companies in the chemicals sector, including Yamada Chemical Co., Ltd. and Nagase Chemicals Limited. These experiences have equipped him with the knowledge and skills necessary to innovate and lead in his field, culminating in his numerous patents and inventions that push the boundaries of existing technology.
Collaborations
Kawai has collaborated with notable professionals in the industry, such as Katsuhiko Tsunemitsu and Yoshiharu Fujino. Their joint efforts have helped to refine and expand the scope of Kawai's inventions, showcasing the importance of teamwork in the advancement of technological innovations.
Conclusion
Hajime Kawai stands out as a prominent figure in the realm of innovative recording materials. His contributions, embodied in his patented inventions, reflect a deep commitment to advancing technology. With ongoing research and development, Kawai continues to pave the way for future innovations in the field.
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.