Company Filing History:
1 out of 4 
1 out of 9 Years Active: 1980
Title: **Innovator Toshitaka Sunahara: A Pioneer in Collapsible Tube Technology**
Introduction
Toshitaka Sunahara, hailing from Seki, Japan, stands out as an inventor who has contributed significantly to packaging technology. With a focus on creating innovative solutions, he holds a patent that showcases his ingenuity in manufacturing collapsible tubes.
Latest Patents
Sunahara's patent, titled "Collapsible tube and method of manufacture," presents a side seamless composite type collapsible tube. This design incorporates a tubular nipple section, a shoulder section, and a tubular barrel section for receiving extractable content. The innovative aspect of his invention lies in the construction, which features a continuous wall of metallic material with a wall thickness ranging from 20 to 70 micrometers. Additionally, part of the tubular barrel section is coated with a synthetic resinous layer that ranges from 50 to 500 micrometers thick, enhancing the tube's functionality. The patent also outlines a method for forming the tube from a metallic blank material, demonstrating a novel approach to tube manufacturing.
Career Highlights
Throughout his career, Sunahara has been associated with prominent companies, including Kyodo Insatsu Co., Ltd. and Lion Hamigaki Co., Ltd. His work at these organizations underscores his expertise in innovative manufacturing processes and product development.
Collaborations
In his professional journey, Sunahara has collaborated with notable coworkers, including Yoshihiko Nakahara and Norihiro Tsujii. Their combined efforts in research and development have likely contributed to advancements in their respective fields, enhancing the overall efficacy of production techniques.
Conclusion
Toshitaka Sunahara's contributions to the field of collapsible tube technology exemplify the spirit of innovation. His patented design not only improves packaging solutions but also highlights the importance of collaboration and creativity in technological advancement. Through his work, Sunahara continues to inspire future generations of inventors in the quest for innovative solutions.