Location History:
- Kanagawa, JP (1999 - 2002)
- Chiba, JP (2002 - 2003)
- Sodegaura, JP (2005 - 2008)
Company Filing History:
7 out of 1,786 
4 out of 72 
1 out of 861 
Years Active: 1999-2008
Title: The Innovations of Hisashi Tsukahara: A Pioneer in Optical Recording Media
Introduction: Hisashi Tsukahara, an inventive mind from Sodegaura, Japan, has made significant contributions to the field of optical recording media. With a collection of 10 patents to his name, Tsukahara continues to drive advancements in technology through innovative compounds and materials. His work not only demonstrates creativity but also introduces new methodologies in optical data storage solutions.
Latest Patents: Among his most recent patents are groundbreaking inventions that involve imide compounds and benzobisazole compounds. His patent on imide compounds focuses on an optical recording medium that incorporates one or more imide compounds with a metallocene residue in its recording layer. This innovation aims to improve the efficiency and performance of optical storage devices. Furthermore, his benzobisazole compound patent features an optical recording medium that utilizes organic dye layers, enhancing the versatility and effectiveness of recording materials through carefully structured chemical compositions.
Career Highlights: Throughout his career, Hisashi Tsukahara has collaborated with leading companies in the chemical industry. Notable among these are Mitsui Chemicals, Inc. and Yamamoto Chemicals, Inc., where he honed his skills and confirmed his reputation as a reputable inventor. His deep understanding of chemical processes and materials has allowed him to achieve significant milestones in optical technology.
Collaborations: Hisashi Tsukahara's success is not only attributed to his individual efforts but also to the fruitful collaborations he has cultivated over the years. He has worked alongside talented colleagues such as Tsutami Misawa and Taizo Nishimoto, sharing insights and innovative ideas that have contributed to their collective advancements in technology.
Conclusion: Hisashi Tsukahara remains a pivotal figure in the realm of optical recording media. With a well-defined patent portfolio and a proven track record of innovation, he continues to inspire current and future generations of inventors. As the technology landscape evolves, his contributions play an essential role in shaping the future of data storage solutions.
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.