This inventor holds 54 USPTO granted patents, plus 5 CIPO patents, primarily in Organic Semiconductors (CPC class 1362). Top assignees: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Kanegafuchi Chemical Industry Co., Ltd., Kaneka Corporation. Active years: 1983-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Inventors with similar research interests:
Location History:
- Kobe, Hyogo, JP (1983)
- Oike-Miyamadai, Kita-Ku, Kobe, Hyogo, JP (1983)
- Takatsuki, JP (1983)
- Hyogo, JP (1990 - 1995)
- Kobe, JP (1984 - 1996)
- Otsu, JP (1998 - 2000)
- Osaka, JP (1984 - 2015)
Company Filing History:
39 out of 698 
9 out of 109 
2 out of 1,772 
Years Active: 1983-2015
Areas of Expertise:
Title: The Innovative Journey of Yoshihisa Tawada
Introduction: Yoshihisa Tawada, an accomplished inventor based in Kobe, Japan, has made significant contributions to the field of organic semiconductors. With a remarkable portfolio of 54 patents, his work continues to have a profound impact on technology and materials science.
Latest Patents: Among his most notable inventions is his recent patent concerning an organic semiconductor material featuring a neutral radical compound derived from a trioxotriangulene. This innovative semiconductor device includes a semiconductor layer interposed between two electrodes, in which the semiconductor layer contains the derivative, acting as an n-type semiconductor. The design allows the semiconductor layer to work in conjunction with a p-type layer to harness a photoelectric conversion effect. Characteristically, the device boasts a narrow band gap, exceptional light absorption capabilities in the infrared region, and superior carrier mobility.
Career Highlights: Tawada's career includes significant tenures at prominent companies such as Kanegafuchi Kagaku Kogyo and Kanegafuchi Chemical Industry. His expertise in the development of advanced materials has positioned him as a leader in the field, contributing to numerous breakthroughs throughout his career.
Collaborations: Throughout his journey, Tawada has worked alongside esteemed colleagues such as Kazunori Tsuge and Yoshihiro Hamakawa. Their collaborative efforts have further enriched his research and innovation pursuits, fostering a creative environment conducive to scientific advancement.
Conclusion: Yoshihisa Tawada's work exemplifies the spirit of innovation, showcasing how dedication and collaboration can lead to groundbreaking advancements in organic semiconductor technology. His contributions continue to inspire future generations of inventors and researchers, solidifying his legacy in the world of patents and inventions.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile