Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8300327 | Production method of optical element, optical element forming mold and optical element | Shuji Seki, Hideki Komiya, Susumu Shibasaki, Masashi Yoshimura | 2012-10-30 |
| 6553026 | Communication path switching apparatus, communication path switching method, and computer program product for controlling communication path switching system | — | 2003-04-22 |
| 6505043 | MOBILE COMMUNICATION SYSTEM CAPABLE OF SELECTING RELEVANT BASE STATION TO BE CONNECTED TO MOBILE STATION FROM BASE-STATION-DESCRIBED NEIGHBOR LIST PRODUCED BASED ON THE NUMBER OF TIMES OF HAND-OVER OPERATIONS | — | 2003-01-07 |
| 6424833 | Mobile communication system and a hand-off method thereof | Hiromi Iizuka, Hirofumi Shiotsuki | 2002-07-23 |
| 6333089 | Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk | Hiroyuki Hirata, Tatsuo Araki, Osamu Ishizaki, Hideo Daimon, Yasuhiko Kokufuda +1 more | 2001-12-25 |
| 6127017 | Substrate for information recording disk, mold and stamper for injection molding substrate, and method for making stamper, and information recording disk | Hiroyuki Hirata, Tatsuo Araki, Osamu Ishizaki, Hideo Daimon, Yasuhiko Kokufuda +1 more | 2000-10-03 |
| 6118635 | Magnetic storage apparatus having a head with sliding pads | Yoji Maruyama, Teruyoshi Higashiya, Mikio Tokuyama, Sadanori Nagaike, Tetsuji Higashijima +2 more | 2000-09-12 |
| 6104574 | Magnetic head with a magnetic pole sandwiched between conductive materials | Hisashi Takano, Yohji Maruyama, Takashi Kawabe, Moriaki Fuyama | 2000-08-15 |
| 5898540 | Magnetic head and slider configuration for contact recording having a plurality of tapered surfaces | Yohji Maruyama | 1999-04-27 |
| 5717762 | WACS-type mobile communication with a unified frame format | Kazuaki Sakai | 1998-02-10 |
| 5671107 | Large capacity magnetic disc apparatus with a particular relationship between pole thickness, saturated flux density, and recording wavelength | Katsuya Mitsuoka, Hiroshi Fukui, Masanori Tanabe, Moriaki Fuyama, Shinji Narishige +8 more | 1997-09-23 |
| 5590008 | Magnetic disc unit having a plurality of magnetic heads which include multilayer magnetic films | Masanori Tanabe, Hiroshi Fukui, Tadayuki Iwakura, Kazuhiro Nakamoto, Moriaki Fuyama +4 more | 1996-12-31 |
| 5574971 | Mobile communication method and system for optimal selection of radio zone | — | 1996-11-12 |
| 5568331 | Method of head positioning and magnetic recording disk drive using the same | Kyo Akagi, Masaaki Futamoto, Fumio Kugiya, Yoshinori Miyamura, Hisashi Takano +8 more | 1996-10-22 |
| 5528668 | Mobile communications system and communication channel control method for the same | — | 1996-06-18 |
| 5296979 | Magnetic disc apparatus with thin film head suitable for high-density recording | Takashi Kawabe, Moriaki Fuyama, Shinji Narishige, Masatoshi Tsuchiya, Eiji Ashida +9 more | 1994-03-22 |
| 4861398 | Method for making a thin film magnetic head | Hirotsugu Fukuoka, Kanji Kawakami, Mitsuo Suda, Kouji Takeshita, Yukihiro Isono | 1989-08-29 |
| 4454500 | Analog data acquisition device | Kazuo Kato, Nobuaki Miyakawa, Kiyoshi Matsubara | 1984-06-12 |