Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12365180 | Recording head and recording device | — | 2025-07-22 |
| 11753328 | Method and device for screening optical fiber core, and method for manufacturing optical fiber core | Shinichi Arai | 2023-09-12 |
| 11237322 | Optical fiber manufacturing method using relative bulk densities | Shinichi Arai, Harumi Inaba, Takeshi Yagi, Shinichi Aozasa, Kyozo Tsujikawa +1 more | 2022-02-01 |
| 11174577 | Brushed circular knitted fabric | Hiroshi Tanaka, Masanobu Sato, Takashi Kawasaki | 2021-11-16 |
| 9225141 | Multi-core amplification optical fiber and multi-core optical fiber amplifier | Yukihiro TSUCHIDA, Koichi Maeda, Yu Mimura, Hiroshi Matsuura, Kengo Watanabe +4 more | 2015-12-29 |
| 8537458 | Optical fiber for optical amplification, optical fiber amplifier, and optical fiber laser | Youko Yamanashi | 2013-09-17 |
| 8113739 | Sand drift prevention method, method of forming and improving vegetation in sandy soil using the same, and tubular knit fabric for columnar sandbag | Osamu Mito, Kazuya Matsumura, Koji Sasaki, Takenobu Okumura, Makoto Maeda | 2012-02-14 |
| 5232520 | High-strength martensitic stainless steel having superior fatigue properties in corrosive and erosive environment and method of producing the same | Yutaka Oka, Kiyoshi Uchida | 1993-08-03 |