Toshio Doi

Title: The Innovations of Toshio Doi

Introduction

Toshio Doi is a notable inventor based in Wakayama, Japan. He has made significant contributions to the field of photographic printing technology. With a total of 2 patents, Doi has developed innovative systems that enhance the efficiency of collating photographic prints and negatives.

Latest Patents

One of Doi's latest patents is a conveyor system for collating photographic prints and negatives. This system is designed to combine and collate negative films and prints effectively. It features a conveyer mechanism that extends through a negative film intake station for receiving negative films and a print intake station for receiving prints. The collating station is responsible for collating the negative films and prints. The conveyer mechanism includes trays for transporting the negative films and prints, a guide circuit defining a transport passage, and a drive device for moving the trays along the guide circuit. Each tray is disengaged from the drive device by contact with a preceding tray during transport.

Another significant patent is the integrated photofinishing apparatus. This photographic printing apparatus includes a sorting apparatus with multiple receptacles for receiving negative films and prints. These receptacles circulate in a closed loop path between a film loading station and a print loading station. The design ensures that each receptacle related to a specific negative film is positioned in the print loading station just before a cluster of prints is delivered from the photographic printing apparatus.

Career Highlights

Doi is currently employed at Noritsu Koki Co., Ltd., a company known for its advancements in photographic technology. His work has contributed to the development of systems that streamline the photofinishing process, making it more efficient and effective.

Collaborations

Throughout his career, Doi has collaborated with talented individuals such as Hiroshi Miyawaki and Takayoshi Muranaka. These collaborations have fostered innovation and creativity in the field of photographic technology.

Conclusion

Toshio Doi's contributions to photographic printing technology through his patents and work at Noritsu Koki Co., Ltd. highlight his role as an influential inventor. His innovative systems continue to impact the industry positively.