Takeharu Tsutsumi

Title: Takeharu Tsutsumi: Innovator in High Pressure Discharge Lamps

Introduction

Takeharu Tsutsumi is a notable inventor based in Katano, Japan. He has made significant contributions to the field of lighting technology, particularly in the development of high pressure discharge lamps. With a total of 4 patents to his name, Tsutsumi's work has had a lasting impact on the industry.

Latest Patents

Tsutsumi's latest patents include innovative designs for high pressure discharge lamps. One of his key inventions is a high pressure discharge lamp that features a tungsten electrode and a lighting optical apparatus. This invention addresses the common issue of blackening in discharge tubes caused by potassium oxide in tungsten. By optimizing the composition of the electrodes and the amount of mercury and halogen gas used, Tsutsumi has created a lamp that maintains illumination over a longer lifespan. Another significant patent focuses on improving the starting properties and service life of discharge lamps, even when producing a short arc.

Career Highlights

Throughout his career, Tsutsumi has been associated with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics and lighting industry. His work has contributed to advancements in lighting technology, enhancing both performance and efficiency in various applications.

Collaborations

Tsutsumi has collaborated with notable colleagues such as Toshiaki Ogura and Mitsuhiro Wada. Their combined expertise has fostered innovation and development in the field of lighting solutions.

Conclusion

Takeharu Tsutsumi's contributions to high pressure discharge lamp technology exemplify his dedication to innovation. His patents reflect a commitment to improving lighting efficiency and longevity, making a significant impact on the industry.