Location History:
- Takatsuki, JP (1984 - 1988)
- Itami, JP (1989 - 1991)
- Ibaraki, JP (1999 - 2003)
- Tsukuba, JP (1994 - 2004)
- Tokyo, JP (2005)
- Nakano, JP (2006)
Company Filing History:
21 out of 6,892 
3 out of 1,037 
2 out of 77 
Years Active: 1984-2006
Title: Profile of Toshihiro Ohnishi: A Visionary in Electroluminescent Innovations
Introduction: Toshihiro Ohnishi is a prominent inventor based in Tsukuba, Japan, known for his significant contributions to the field of electroluminescent devices. With a remarkable portfolio of 28 patents, Ohnishi's work has played a crucial role in advancing technology in this innovative domain.
Latest Patents: Among his noteworthy inventions, Ohnishi's latest patents include:
1. **Electroluminescent Element** - This invention describes an electroluminescent device that comprises electrodes consisting of a pair of an anode and a cathode. It features at least one of the electrodes being transparent or translucent, with an organic layer interposed between these electrodes, comprising a copolymer with 9-oxo-9-phosphafluorene-2,7-diyl units and arylene units. The organic layer's thickness ranges from 1 nm to 10 μm.
2. **Hole Transporting Polymer and Organic Electroluminescence Device** - This patent details a hole transporting polymer featuring a specific Si-containing repeating unit and specific molecular weight. It boasts excellent hole transporting properties, superior durability, and film-forming capabilities, which is pivotal for organic electroluminescent devices.
Career Highlights: Toshihiro Ohnishi has made significant strides in his career, working with esteemed organizations like Sumitomo Chemical Company and the Agency of Industrial Science and Technology. His innovative work in electroluminescent technology has established him as a key figure in this field.
Collaborations: Throughout his career, Ohnishi has collaborated with notable peers, including Takanobu Noguchi and Shuji Doi. Their joint efforts have contributed to the development of advanced materials and devices in the realm of electroluminescence.
Conclusion: With a focus on electroluminescent devices, Toshihiro Ohnishi's contributions to innovation and technology continue to influence the industry. His 28 patents reflect a dedicated commitment to enhancing the capabilities of materials and devices, positioning him as a luminary in the field of invention.
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.