Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6955836 | Silicon oxide film formation method | Keiji Ishibashi, Shigeru Mori | 2005-10-18 |
| 6490185 | Method for controlling neutral point potential of inverter of neutral point clamping type | Katsutoshi Yamanaka, Kenji Yamada | 2002-12-03 |
| 5872690 | Magnetic transducer and magnetic recording device utilizing material in which undirectional anisotropy can be formed | Shigeru Tadokoro, Takao Imagawa, Katsuro Watanabe | 1999-02-16 |
| 5841926 | Optical fibers for optical attenuation | Yoshiaki Takeuchi, Ryo Nagase, Seiko Mitachi, Yuichi Morishita, Yumi Ariga +3 more | 1998-11-24 |
| 5726838 | Magnetic disc apparatus with head having magneto-resistance effect | Susumu Soeya, Shigeru Tadokoro, Takao Imagawa, Moriaki Fuyama, Shinji Narishige | 1998-03-10 |
| 5576661 | Frequency characteristic of semiconductor device in ultra-high frequency band | — | 1996-11-19 |
| D320868 | Gas mask | Hitoshi Kumagai | 1991-10-15 |
| D320677 | Gas mask | Hitoshi Kumagai | 1991-10-08 |
| 5051856 | Thin film magnetic head with mixed crystal structures | Shinji Narishige, Katsuya Mitsuoka, Takao Imagawa, Kouichi Nishioka, Masaaki Sano +7 more | 1991-09-24 |
| 4911901 | Wet desulfurization process for treating a flue gas | Yoshio Ogawa, Naobumi Hashimoto, Kazushige Kawamura, Toshiaki Urata, Yoshiaki Komatsubara | 1990-03-27 |
| 4623439 | Thin film of Ni-Co-Fe ternary alloy and process for producing the same | Katsuya Mitsuoka, Shinji Narishige, Masaaki Sano, Shinichi Hara, Masanobu Hanazono | 1986-11-18 |
| 4564904 | Electronic cash register | — | 1986-01-14 |
| 4409079 | Method of metallizing sintered ceramics | Kunio Miyazaki, Yukio Okosi, Hitoshi Suzuki | 1983-10-11 |
| 4374284 | Antiulcer, antiinflammatory, and antiallergic agent comprising as the main ingredient olean-12-ene-3.beta., 30-diol which is devoid of side effects of glycyrrhetinic acid and a new process for preparation of olean-12-ene-3.beta., 30-diol | Shoji Shibata, Masatoshi Harada, Singo Yano, Hiroshi Saito, Kunio Takahashi | 1983-02-15 |