Hiroshi Takehana

Title: The Innovative Contributions of Hiroshi Takehana

Introduction

Hiroshi Takehana, an esteemed inventor hailing from Otsu, Japan, has made significant strides in the field of material science through his innovative patents. With a total of three patents to his name, Takehana's work focuses primarily on the development of advanced resin compositions that are revolutionizing processing techniques across various industries.

Latest Patents

Among his notable contributions, Takehana's latest patents include a photosensitive resin composition designed for sandblast resist applications. This innovative formulation serves as a resist material against sandblasting, facilitating precise pattern-wise engraving on surfaces post-photolithographic patterning. The composition comprises:

(a) A urethane compound with a (meth)acrylate group at the molecular end, synthesized from a polyether or polyester compound that features a hydroxy group at the molecular chain end, combined with a diisocyanate compound and a hydroxy-terminated (meth)acrylate compound.

(b) An alkali-soluble polymeric compound possessing an acid value ranging from 50 to 250 mg KOH/g.

(c) A photopolymerization initiator, which enhances the effectiveness of the resin when applied as a protective layer for sandblasting processes.

This patent highlights Takehana's commitment to advancing material capabilities for industrial applications.

Career Highlights

Hiroshi Takehana has held positions in prominent companies, including Matsushita Electronics Corporation and Tokyo Ohka Kogyo Co., Ltd. His work in these organizations has paved the way for his innovative contributions to resin technologies, impacting manufacturing processes.

Collaborations

Throughout his career, Takehana has collaborated with various colleagues, most notably Tetsuo Yamamoto and Hiroyuki Obiya. These partnerships have fostered a collaborative environment that has significantly contributed to the evolution of his inventions.

Conclusion

Hiroshi Takehana's innovative spirit and dedication to his work are evident through his patents and collaborative efforts. As he continues to make strides in the field of photosensitive resin compositions, his contributions are poised to influence future advancements in material technology and processing techniques, further solidifying his legacy as a key inventor in the industry.