Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10296746 | Information processing device, filtering system, and filtering method | Hisashi Kojima | 2019-05-21 |
| 10203592 | Image projection apparatus | — | 2019-02-12 |
| 9654491 | Network filtering apparatus and filtering method | Hisashi Kojima | 2017-05-16 |
| 8307166 | Information processing program, information processing device and information processing method | Hisashi Kojima, Tetsuya Shioda | 2012-11-06 |
| 7712251 | Method and apparatus for severing root of bean sprout | — | 2010-05-11 |
| 7376946 | Program management method for computer to which storage medium is attached, computer and storage medium | Koichi Ogawa | 2008-05-20 |
| 7105192 | Method and apparatus for severing root of bean sprout | — | 2006-09-12 |
| 6544572 | Method and apparatus for severing roots and leaves of bean sprouts | — | 2003-04-08 |
| 6379732 | Method and apparatus for severing root of bean sprout and dewatering bean sprout | — | 2002-04-30 |
| 6346288 | Method and apparatus for severing root of bean sprout | — | 2002-02-12 |
| 6256926 | Method of cultivating bean sprouts and cultivating container therefor | — | 2001-07-10 |
| 6011764 | Optical disk and optical disk apparatus | Satoshi Itami, Masaru Nakahara, Hiroshi Suzuki, Kenichi Utsumi | 2000-01-04 |
| 5982886 | Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus | Satoshi Itami, Kenichi Utsumi, Hiroshi Suzuki, Kazunori Naito, Kazuo Nakashima +2 more | 1999-11-09 |
| 5809298 | File server | — | 1998-09-15 |
| 5777965 | Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk-erasing operations | Satoshi Itami, Masaru Nakahara, Hiroshi Suzuki, Kenichi Utsumi | 1998-07-07 |
| 5758189 | System for changing period to examine external storage unit for storage medium being loaded based on state of use of input device | Hiroshi Suzuki | 1998-05-26 |
| 5617393 | Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk erasing operation | Satoshi Itami, Masaru Nakahara, Hiroshi Suzuki, Kenichi Utsumi | 1997-04-01 |
| 5537636 | File management system for a partially rewritable storage medium where file management information is created in a rewritable zone based on medium management information in a read only zone | Yoshiaki Uchida, Kenichi Utsumi | 1996-07-16 |
| 5418852 | Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus | Satoshi Itami, Kenichi Utsumi, Hiroshi Suzuki, Kazunori Naito, Kazuo Nakashima +2 more | 1995-05-23 |
| 5402339 | Apparatus for making music database and retrieval apparatus for such database | Kazuo Nakashima, Toshikatsu Narumi, Kazunori Naito | 1995-03-28 |
| 5357431 | Character string retrieval system using index and unit for making the index | Kenichi Utsumi, Takashi Tsubokura, Masaru Nakahara, Satoshi Itami, Hiroshi Suzuki +2 more | 1994-10-18 |
| 5327411 | Write control method and apparatus for writing optical disk data | Seiichi Iwasa, Nagaaki Koshino, Kenichi Utsumi | 1994-07-05 |
| 5144618 | Optical disc medium | Yasuyuki Goto, Nagaaki Koshino, Kenichi Utsumi, Iwao Tsugawa | 1992-09-01 |
| 4984232 | Compatible optical disk | Kenichi Utsumi, Nagaaki Koshino, Yasuyuki Goto, Iwao Tsugawa | 1991-01-08 |