HM

Hidefumi Masuzaki

HI Hitachi: 35 patents #681 of 28,497Top 3%
HC Hitachi Software Engineering Co.: 3 patents #54 of 502Top 15%
Overall (All Time): #99,369 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
7444467 Storage system having a semiconductor memory device which stores data and parity data permanently Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 2008-10-28
7120738 Storage system having data format conversion function Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 2006-10-10
6581128 Storage system Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 2003-06-17
6578100 Storage system having plural buses Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 2003-06-10
6094647 Presearch type document search method and apparatus Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama +4 more 2000-07-25
6012119 Storage system Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 2000-01-04
5819054 Storage system realizing scalability and fault tolerance Tatuya Ninomiya, Hiroyuki Kurosawa, Naoya Takahashi, Yasuo Inoue, Hidehiko Iwasaki +2 more 1998-10-06
5625810 Data file apparatus for registering and retrieving data files in accordance with attribute information thereof Yasuo Kurosu, Yoshihiro Yokoyama 1997-04-29
5590317 Document information compression and retrieval system and document information registration and retrieval method Hiroaki Iguchi, Yasuo Kurosu, Masaaki Fujinawa, Yoshihiro Yokoyama 1996-12-31
5539843 Image processing system Tatsuya Murakami, Masaaki Fujinawa, Hiromichi Fujisawa, Yasuo Kurosu 1996-07-23
5519857 Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama +4 more 1996-05-21
5471549 Method of detecting and correcting a direction of image data and document image filing system employing the same Yasuo Kurosu, Hiromichi Fujisawa 1995-11-28
5388167 Document image processing system and document image processing method Masashi Koga, Hiroshi Sakou, Masaaki Fujinawa, Hiromichi Fujisawa, Tatsuya Murakami +4 more 1995-02-07
5369742 Image file and retrieving apparatus and method Yasuo Kurosu, Shuhei Wada, Yoshihiro Yokoyama 1994-11-29
5335084 Document image filing system having input color mode selecting capability Narihiro Munemasa, Fumio Wakamori, Masaaki Fujinawa, Yasuo Kurosu 1994-08-02
5235681 Image filing system for protecting partial regions of image data of a document Satoshi Ito, Hiromichi Fujisawa, Masaaki Fujinawa, Nobuyuki Minowa, Akihisa Hirasawa 1993-08-10
5231482 Image filing apparatus and method for thereby encoding and storing various documents Tatsuya Murakami, Eiichi Hadano, Masaaki Fujinawa, Hiromichi Fujisawa, Tsugio Takahashi +3 more 1993-07-27
5189404 Display apparatus with rotatable display screen Tamon Masimo, Hiroshi Kanazawa, Satoshi Ito 1993-02-23
5181260 Method for determining the amount of skew of image, method for correcting the same, and image data processing system Yasuo Kurosu, Yoshihiro Yokoyama, Kenichi Nishikawa, Masaaki Fujinawa 1993-01-19
5179683 Retrieval apparatus including a plurality of retrieval units Masaharu Murakami, Tamon Masimo 1993-01-12
5179649 Method for generating title information entry format and method for filing images in image filing device Satoshi Ito, Toshihiro Hananoi 1993-01-12
5168533 Hierarchical presearch type text search method and apparatus and magnetic disk unit used in the apparatus Kanji Kato, Hiromichi Fujisawa, Mitsuo Ooyama, Hisamitsu Kawaguchi, Atsushi Hatakeyama +4 more 1992-12-01
5150458 Electronic image information filing apparatus displaying editing corrections Satoshi Ito 1992-09-22
5140644 Character string retrieving system and method Hisamitsu Kawaguchi, Kanji Kato, Atsushi Hatakeyama, Hiromichi Fujisawa, Masaaki Fujinawa +1 more 1992-08-18
5128748 Image processing system and apparatus for processing color documents Tatsuya Murakami, Masaaki Fujinawa, Hiromichi Fujisawa, Satoshi Ito, Eiichi Hadano +1 more 1992-07-07