Taiichirou Ichikawa

Title: Taiichirou Ichikawa and Spun-Bonded Nonwoven Materials.

Introduction

Taiichirou Ichikawa is an inventor associated with Tokyo, Japan, and Mitsui Chemicals Asahi Life Materials Co., Ltd. His patent work concerns spun-bonded nonwoven fabric and its use in sanitary materials.

Latest Patents

The provided information lists one patent for Ichikawa: “Spun-bonded nonwoven fabric and sanitary material.” The invention describes a spun-bonded nonwoven fabric made from fibers containing a resin composition of propylene polymer and another polymer selected from polyolefins or polyesters. The fibers have a sea-island structure, with at least 60% of the island phases measuring less than 0.32 μm in diameter. The fabric’s tensile-strength ratio between the machine direction and the perpendicular cross direction is specified as 2.0 to 5.1. This design addresses the structure and directional strength of nonwoven materials intended for sanitary applications.

Career Highlights

Ichikawa’s listed patent reflects work on polymer composition, fiber structure, and the mechanical properties of nonwoven fabric. The supplied information associates him with Mitsui Chemicals Asahi Life Materials Co., Ltd. and records 1 patent.

Collaborations

Shohei Saita and Hirotaka Kanaya are identified as Ichikawa’s coworkers. The provided information does not specify their roles in the patent or describe particular collaborations.

Conclusion

Taiichirou Ichikawa’s documented patent focuses on a sea-island fiber structure and controlled directional strength in spun-bonded nonwoven fabric for sanitary materials.