| 11442659 |
Reading sequentially stored files based on read ahead groups |
Tsuyoshi Miyamura, Hiroshi Itagaki, Tohru Hasegawa, Noriko Yamamoto, Sosuke Matsui |
2022-09-13 |
| 11442627 |
Data compression utilizing low-ratio compression and delayed high-ratio compression |
Ryohta Kawase, Eiji Tosaka, Kousei Kawamura, Koichi Masuda |
2022-09-13 |
| 11437062 |
Reducing time to reposition tape to write index |
Tsuyoshi Miyamura, Tohru Hasegawa, Noriko Yamamoto, Atsushi Abe, Hiroshi Itagaki |
2022-09-06 |
| 11314439 |
Copy from source medium to target medium |
Tohru Hasegawa, Hiroshi Itagaki, Sosuke Matsui, Tsuyoshi Miyamura, Noriko Yamamoto |
2022-04-26 |
| 11308989 |
Optimizing tape drives in a tape library |
Tsuyoshi Miyamura, Noriko Yamamoto, Hiroshi Itagaki, Tohru Hasegawa, Atsushi Abe |
2022-04-19 |
| 11289115 |
Copying a storage tape |
Hiroshi Itagaki, Tsuyoshi Miyamura, Noriko Yamamoto, Tohru Hasegawa, Atsushi Abe |
2022-03-29 |
| 11221989 |
Tape image reclaim in hierarchical storage systems |
Tsuyoshi Miyamura, Hiroshi Itagaki, Tohru Hasegawa, Noriko Yamamoto, Sosuke Matsui |
2022-01-11 |
| 11176964 |
Optimized tape unmount operation |
Tohru Hasegawa, Tsuyoshi Miyamura, Atsushi Abe, Hiroshi Itagaki, Noriko Yamamoto +1 more |
2021-11-16 |
| 11175843 |
Data storage system with generation rollback control |
Tsuyoshi Miyamura, Tohru Hasegawa, Hiroshi Itagaki, Noriko Yamamoto |
2021-11-16 |
| 11163500 |
Caching files in a directory |
Tohru Hasegawa, Hiroshi Itagaki, Tsuyoshi Miyamura, Noriko Yamamoto |
2021-11-02 |
| 11152018 |
Optimized tape unmount operation |
Tohru Hasegawa, Tsuyoshi Miyamura, Hiroshi Itagaki, Noriko Yamamoto, Sosuke Matsui |
2021-10-19 |
| 11132332 |
Method to write data ahead to snapshot area to avoid copy-on-write |
Sosuke Matsui, Tohru Hasegawa, Noriko Yamamoto, Hiroshi Itagaki, Tsuyoshi Miyamura |
2021-09-28 |
| 11119689 |
Accelerated data removal in hierarchical storage environments |
Kousei Kawamura, Koichi Masuda, Takahiro Tsuda, Sosuke Matsui, Takeshi Nohta |
2021-09-14 |
| 11042329 |
Reordering a sequence of files based on compression rates in data transfer |
Noriko Yamamoto, Tsuyoshi Miyamura, Hiroshi Itagaki, Tohru Hasegawa |
2021-06-22 |
| 11037598 |
Detecting damaged areas on magnetic tape based on measuring a number of servo errors |
Noriko Yamamoto, Tsuyoshi Miyamura, Hiroshi Itagaki, Tohru Hasegawa, Sosuke Matsui |
2021-06-15 |
| 11031041 |
Detecting damaged areas on magnetic tape based on measuring a number of servo errors |
Noriko Yamamoto, Tsuyoshi Miyamura, Hiroshi Itagaki, Tohru Hasegawa, Sosuke Matsui |
2021-06-08 |
| 11016675 |
Optimizing timing for data migration from old generation tapes to new generation tapes |
Hiroshi Itagaki, Tohru Hasegawa, Tsuyoshi Miyamura, Noriko Yamamoto, Sosuke Matsui |
2021-05-25 |
| 11010104 |
Optimized tape drive unmounting |
Tohru Hasegawa, Hiroshi Itagaki, Tsuyoshi Miyamura, Noriko Yamamoto, Sosuke Matsui |
2021-05-18 |
| 10983716 |
Writing data to tape medium |
Tsuyoshi Miyamura, Tohru Hasegawa, Noriko Yamamoto, Sosuke Matsui |
2021-04-20 |
| 10915244 |
Reading and writing via file system for tape recording system |
Takashi Ashida, Tohru Hasegawa, Hiroshi Itagaki, Terue Watanabe |
2021-02-09 |
| 10902872 |
Managing index writes to a tape medium |
Tohru Hasegawa, Hiroshi Itagaki, Tsuyoshi Miyamura, Noriko Yamamoto, Sosuke Matsui |
2021-01-26 |
| 10884649 |
Tape drive data reclamation |
Tsuyoshi Miyamura, Sosuke Matsui, Tohru Hasegawa, Hiroshi Itakagi, Noriko Yamamoto |
2021-01-05 |
| 10831624 |
Synchronizing data writes |
Tohru Hasegawa, Hiroshi Itagaki, Tsuyoshi Miyamura, Noriko Yamamoto |
2020-11-10 |
| 10817207 |
Management of a multi-library storage system |
Hiroshi Itagaki, Tohru Hasegawa, Tsuyoshi Miyamura, Noriko Yamamoto, Sosuke Matsui |
2020-10-27 |
| 10732843 |
Tape drive data reclamation |
Sosuke Matsui, Tohru Hasegawa, Tsuyoshi Miyamura, Noriko Yamamoto, Hiroshi Itagaki |
2020-08-04 |
