Koichi Sakuma

Title: Koichi Sakuma: Innovator in Lens Technology

Introduction

Koichi Sakuma is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of optical technology, particularly in the development of lens apparatuses. With a total of 6 patents to his name, Sakuma continues to push the boundaries of innovation in imaging technology.

Latest Patents

Sakuma's latest patents include advancements in lens apparatus, image pickup apparatus, processing apparatus, and camera apparatus. One notable invention is a lens apparatus that is attachable and removable to a camera apparatus. This lens apparatus features a communication device designed to transmit information for light amount compensation of image data obtained by image pickup in the camera apparatus. The information includes a coefficient A of a term of 0-th-order with respect to an image height in a polynomial of n-th-order. Additionally, it satisfies a conditional expression where A(Z) represents the coefficient A at a zoom state Z, F(Z) represents an effective F-number at the zoom state Z, and Fw represents an effective F-number at a wide angle end.

Career Highlights

Koichi Sakuma is currently employed at Canon Kabushiki Kaisha, a leading company in imaging and optical products. His work at Canon has allowed him to develop innovative technologies that enhance the performance of cameras and imaging devices.

Collaborations

Throughout his career, Sakuma has collaborated with talented individuals such as Tomoyuki Nakamura and Kei Kinoshita. These collaborations have contributed to the successful development of various optical technologies.

Conclusion

Koichi Sakuma's contributions to lens technology and imaging systems have established him as a key figure in the field. His innovative patents and collaborations continue to influence the future of optical technology.