TH

Tohru Hasegawa

IBM: 29 patents #91 of 11,143Top 1%
Ricoh Company: 1 patents #673 of 1,584Top 45%
Overall (2019): #834 of 560,194Top 1%
30
Patents 2019

Issued Patents 2019

Showing 1–25 of 30 patents

Patent #TitleCo-InventorsDate
10497394 Detecting damaged areas on magnetic tape based on measuring number of servo errors Noriko Yamamoto, Tsuyoshi Miyamura, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma 2019-12-03
10453485 Increasing data storage capacity by reducing index entries Tsuyoshi Miyamura, Hiroshi Itagaki, Noriko Yamamoto, Shinsuke Mitsuma, Sosuke Matsui 2019-10-22
10452305 Tape drive data reclamation Tsuyoshi Miyamura, Sosuke Matsui, Hiroshi Itagaki, Noriko Yamamoto, Shinsuke Mitsuma 2019-10-22
10403322 Moving a car within a shuttle complex based upon library string data chunk counts Yuhko Hasegawa 2019-09-03
10388304 Storing data on unused areas of a storage medium Atsushi Abe 2019-08-20
10372674 File management in a storage system Sosuke Matsui, Shinsuke Mitsuma, Tsuyoshi Miyamura, Noriko Yamamoto 2019-08-06
10366052 Identifying partial update for tape file system Atsushi Abe, Hiroshi Itagaki 2019-07-30
10359964 Reducing time to read many files from tape Masayuki Iwanaga, Yutaka Oishi 2019-07-23
10346078 Method of writing a file to a plurality of media and a storage system thereof Hiroshi Itagaki, Tsuyoshi Miyamura, Terue Watanabe 2019-07-09
10331348 Reading and writing via file system for tape recording system Takashi Ashida, Hiroshi Itagaki, Shinsuke Mitsuma, Terue Watanabe 2019-06-25
10331622 Information management Masayuki Iwanaga, Yutaka Oishi 2019-06-25
10319404 Positioning shuttle cars in a tape storage shuttle complex 2019-06-11
10282098 Writing data spanning plurality of tape cartridges Masayuki Iwanaga, Yutaka Oishi 2019-05-07
10281793 Electrochromic dimming device and electrochromic driving device Atsushi Ohshima, Shigenobu Hirano, Keiichiroh Yutani, Takahiko Matsumoto, Hidekazu Yaginuma +6 more 2019-05-07
10268489 Adaptive successive warning message handling Yuhko Hasegawa 2019-04-23
10248352 Management of object location in hierarchical storage Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Tsuyoshi Miyamura, Noriko Yamamoto 2019-04-02
10248335 Reducing a size of backup data in storage Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Tsuyoshi Miyamura, Noriko Yamamoto 2019-04-02
10242709 Detecting damaged areas on magnetic tape based on measuring a number of servo errors Noriko Yamamoto, Tsuyoshi Miyamura, Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma 2019-03-26
10242707 Timing index writes to a tape medium Hiroshi Itagaki, Tsuyoshi Miyamura, Sosuke Matsui, Shinsuke Mitsuma, Noriko Yamamoto 2019-03-26
10241703 Multivolume group management Hiroshi Itagaki, Tsuyoshi Miyamura, Hiroki Nishiyama, Terue Watanabe 2019-03-26
10229718 Shortening the average reposition time to the beginning of files in a magnetic tape Hiroshi Itagaki, Sosuke Matsui, Shinsuke Mitsuma, Tsuyoshi Miyamura, Noriko Yamamoto 2019-03-12
10222994 Storing selected data in a stub file in a hierarchical storage management system Hiroshi Araki, Shinobu Fujihara, Takeshi Ishimoto, Hiroshi Itagaki, Hiroyuki Miyoshi +1 more 2019-03-05
10223038 File management in a file system Sosuke Matsui, Shinsuke Mitsuma, Tsuyoshi Miyamura, Noriko Yamamoto 2019-03-05
10216456 Estimating mount time completion in file systems Atsushi Abe, Masayuki Iwanaga, Yutaka Oishi 2019-02-26
10204653 Selective index writing prior to unthreading a magnetic recording tape Masayuki Iwanaga, Yutaka Oishi 2019-02-12