Issued Patents 2021
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174539 | Steel material suitable for use in sour environment | Hiroki Kamitani, Atsushi Soma, Yuji Arai, Seiya OKADA | 2021-11-16 |
| 11155893 | Steel material suitable for use in sour environment | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2021-10-26 |
| 11127469 | Nonvolatile semiconductor storage device | Kazumasa Yanagisawa, Shuichi Sato, Yasuhiro Taniguchi | 2021-09-21 |
| 11078558 | Steel material, oil-well steel pipe, and method for producing steel material | Yuji Arai, Atsushi Soma, Hiroki Kamitani | 2021-08-03 |
| 11070028 | Semiconductor light emitting element | Toru Takayama, Kunimasa Takahashi | 2021-07-20 |
| 11041545 | Bending meshing type gear device | Toshiya Nagumo, Masayuki Ishizuka | 2021-06-22 |
| 11011530 | Memory cell, nonvolatile semiconductor storage device, and method for manufacturing nonvolatile semiconductor storage device | Daisuke Okada, Kazumasa Yanagisawa, Fukuo Owada, Shoji Yoshida, Yasuhiko Kawashima +2 more | 2021-05-18 |
| 10988819 | High-strength steel material and production method therefor | Yuji Arai | 2021-04-27 |
| 10968624 | Gypsum panel and method for producing gypsum panel | Katsumi NIIMI, Itaru Yokoyama, Kazuyuki Umehara, Yuji Ataka, Keiichi Ohki +3 more | 2021-04-06 |