Issued Patents All Time
Showing 301–325 of 334 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860361 | Acoustic-device cooling unit | Hiroo Adachi, Shigeru Munetomo | 1989-08-22 |
| 4851259 | Ground impregnating process | Shunsuke Shimada | 1989-07-25 |
| 4844083 | Ultrasonic imaging apparatus | Ryoichi Kanda | 1989-07-04 |
| 4842780 | System for preparing ground-impregnating material | Shunsuke Shimada | 1989-06-27 |
| 4817433 | Ultrasonic imaging apparatus | — | 1989-04-04 |
| 4739513 | Method and apparatus for measuring and correcting acoustic characteristic in sound field | Yoshiro Kunugi, Shinichi Suzuki, Masayuki Kato, Akio Tokumo, Toshikazu Yoshimi | 1988-04-19 |
| 4677692 | Frequency conversion apparatus | Seiji Sakashita, Hiroyuki Nagai, Kazuhiko Kubo, Akira Usui | 1987-06-30 |
| 4673979 | Digital data reproducing system | Kazuo Kobo, Noriaki Morotomi | 1987-06-16 |
| 4662820 | Turbine stage structure | Tetsuo Sasada, Haruo Urushidani, Katsukuni Hisano, Ryoichi Kaneko, Kazuo Ikeuchi +1 more | 1987-05-05 |
| 4648117 | Mobile sound field correcting device | Yoshiro Kunugi, Akio Tokumo, Toshikazu Yoshimi, Shinjiro Kato, Yoshio Sasaki +1 more | 1987-03-03 |
| 4644292 | Automatic gain and frequency characteristic control unit in audio device | Yoshiro Kunugi, Makoto Odaka, Yoshio Sasaki, Akio Tokumo | 1987-02-17 |
| 4626174 | Turbine blade | Akira Uenishi, Norio Yasugahira, Katsukuni Hisano | 1986-12-02 |
| 4622691 | Mobile sound field correcting device | Akio Tokumo, Yoshiro Kunugi, Toshikazu Yoshimi, Shinjiro Kato, Yoshio Sasaki +1 more | 1986-11-11 |
| 4560434 | Method and apparatus for producing bouffant caps | — | 1985-12-24 |
| 4550797 | Loudspeaker diaphragm made of a molded, sintered ceramic body | Kiyoaki Suzuki, Hidetsugu Suzuki, Katsuhiro Onuki, Isami Nomoto, Yoshiaki Fukuda | 1985-11-05 |
| 4547223 | Cement-shrinkage-reducing agent and cement composition | Takaharu Goto, Kouzou Sakai, Motohiko Ii | 1985-10-15 |
| 4502077 | Ghost canceling apparatus | Noriaki Morotomi | 1985-02-26 |
| 4497577 | Steam wetness measuring apparatus | Syogo Tsuji, Kengo Shigeta, Akira Uenishi | 1985-02-05 |
| 4469790 | Continuous and spontaneous interferon producing lymphoblastoid cell lines, process for preparing the same, and process for the human interferon production by the same | Isao Yamane, Toshio Kudo, Yoshiki Minamoto, Takehiko Tachibana | 1984-09-04 |
| 4464485 | Method of producing porous material having open pores | Noboru Kishima, Yoshio Ueda | 1984-08-07 |
| 4438529 | TV Tuner circuit | — | 1984-03-20 |
| 4392054 | Method and apparatus for compensating for astigmatism in electron beam devices | Shunichi Suzaki | 1983-07-05 |
| 4345372 | Method of producing a multicontact spring | Kenji Sekigawa, Mikio Motizuki | 1982-08-24 |
| 4345686 | Material for fixing anchor bolt or like and method of manufacturing same | Hiroji Tada, Yoshiichi Yano | 1982-08-24 |
| D261877 | Vehicle tire | Tooru Oosawa, Hiroshi Kojima | 1981-11-17 |