Company Filing History:
Years Active: 1987-1988
Title: Joji Iwamoto: Innovator in Laser Processing Technology
Introduction
Joji Iwamoto is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of laser processing technology, holding 2 patents that showcase his innovative approach to machining and microcircuit patterning.
Latest Patents
Iwamoto's latest patents include a laser processing apparatus designed for projecting a spot of laser beam onto microcircuit patterns on semiconductor wafers or photographic masks. This apparatus features a mark detector that identifies the positions of first marks on the workpiece, allowing for precise control of the processing energy beam generator. Additionally, an error detector is integrated to identify relative positional errors between the focusing centers of the energy beam and the detection centers of the mark detector.
Another notable invention is a machining apparatus with a laser beam. This device controls a stage to bring a target closer to the beam spot when it is positioned far away. When the target is within a predetermined range, the laser beam radiation system adjusts to ensure optimal proximity to the target.
Career Highlights
Joji Iwamoto is associated with Nippon Kogaku K.K., a company known for its advancements in optical technology. His work has significantly impacted the efficiency and precision of laser processing in various applications.
Collaborations
Iwamoto has collaborated with notable colleagues, including Hiroshi Shirasu and Akikazu Tanimoto. Their combined expertise has contributed to the development of innovative solutions in the field of laser technology.
Conclusion
Joji Iwamoto's contributions to laser processing technology reflect his dedication to innovation and precision. His patents demonstrate a commitment to advancing the capabilities of machining apparatuses, making a lasting impact in the industry.