Location History:
- Tenri, JP (2004 - 2006)
- Mihara, JP (2010 - 2011)
- Nara, JP (2006 - 2014)
- Osaka, JP (2013 - 2017)
- Sakai, JP (2021)
Company Filing History:
18 out of 25,530 
1 out of 8,776 Years Active: 2004-2021
Title: Toshiyuki Kawakami: A Pioneer in Semiconductor Laser Technology
Introduction
Toshiyuki Kawakami, a renowned inventor based in Nara, Japan, has made significant contributions to the field of semiconductor technology, particularly in the development of laser devices. With a total of 19 patents to his name, his work continues to innovate and influence the industry.
Latest Patents
Among his latest innovations is a patent for a semiconductor laser device that features an optical waveguide extending towards one end of the device. This device comprises several layers, including a first clad layer, an active layer, a second clad layer, and an electrode layer. Additionally, a reflecting surface, composed of a dielectric film and a metal film, crosses the active layer at the optical waveguide's second end.
Another notable patent is for a semiconductor laser element, which includes a substrate made of semiconductor material. The design features a semiconductor laminated film with an active layer, along with first and second electrodes on surfaces parallel to the active layer. Moreover, protection films are integrated on the facets of the semiconductor laser element, enhancing its durability and efficiency.
Career Highlights
Toshiyuki Kawakami has worked with prominent companies, such as Sharp Corporation and Sanyo Electric Co., Ltd. His expertise and innovative spirit have contributed to advancements in laser technologies, establishing his reputation in the semiconductor industry.
Collaborations
Throughout his career, Kawakami has collaborated with esteemed colleagues like Shigetoshi Ito and Tomoki Ono. Their joint efforts have led to valuable discoveries and patents that have further propelled the understanding and application of semiconductor laser technology.
Conclusion
In summary, Toshiyuki Kawakami stands out as a prominent inventor in the realm of semiconductor lasers, with a robust portfolio of patents. His contributions, alongside collaborative work with proficient peers, continue to shape the future of optical technologies, ensuring that his legacy as an innovative thinker endures.
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.