HI

Hiroshi Itagaki

IBM: 14 patents #255 of 11,638Top 3%
Overall (2021): #4,199 of 548,734Top 1%
14
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
11204891 Identifying partial update for tape file system Atsushi Abe, Tohru Hasegawa 2021-12-21
11176964 Optimized tape unmount operation Tohru Hasegawa, Tsuyoshi Miyamura, Atsushi Abe, Shinsuke Mitsuma, Noriko Yamamoto +1 more 2021-11-16
11175843 Data storage system with generation rollback control Tsuyoshi Miyamura, Tohru Hasegawa, Noriko Yamamoto, Shinsuke Mitsuma 2021-11-16
11163500 Caching files in a directory Tohru Hasegawa, Tsuyoshi Miyamura, Noriko Yamamoto, Shinsuke Mitsuma 2021-11-02
11152018 Optimized tape unmount operation Tohru Hasegawa, Tsuyoshi Miyamura, Shinsuke Mitsuma, 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, Shinsuke Mitsuma, Tsuyoshi Miyamura 2021-09-28
11042329 Reordering a sequence of files based on compression rates in data transfer Noriko Yamamoto, Tsuyoshi Miyamura, Tohru Hasegawa, Shinsuke Mitsuma 2021-06-22
11037598 Detecting damaged areas on magnetic tape based on measuring a number of servo errors Noriko Yamamoto, Tsuyoshi Miyamura, Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma 2021-06-15
11031041 Detecting damaged areas on magnetic tape based on measuring a number of servo errors Noriko Yamamoto, Tsuyoshi Miyamura, Tohru Hasegawa, Sosuke Matsui, Shinsuke Mitsuma 2021-06-08
11016675 Optimizing timing for data migration from old generation tapes to new generation tapes Shinsuke Mitsuma, Tohru Hasegawa, Tsuyoshi Miyamura, Noriko Yamamoto, Sosuke Matsui 2021-05-25
11010104 Optimized tape drive unmounting Tohru Hasegawa, Tsuyoshi Miyamura, Shinsuke Mitsuma, Noriko Yamamoto, Sosuke Matsui 2021-05-18
10915244 Reading and writing via file system for tape recording system Takashi Ashida, Tohru Hasegawa, Shinsuke Mitsuma, Terue Watanabe 2021-02-09
10902872 Managing index writes to a tape medium Tohru Hasegawa, Tsuyoshi Miyamura, Shinsuke Mitsuma, Noriko Yamamoto, Sosuke Matsui 2021-01-26
10897593 Multiple tape video data splitter Hiroshi Araki, Shinobu Fujihara, Tohru Hasegawa, Takeshi Ishimoto, Hiroyuki Miyoshi +1 more 2021-01-19