Issued Patents All Time
Showing 151–175 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832285 | Magnetic tape cassette | Kengo Oishi | 1989-05-23 |
| 4830777 | Electric conductive and sliding resin material | Eizi Asada, Tatsuhiko Fukuoka | 1989-05-16 |
| 4826035 | Pressure-regulating device for use in storage, transportation and disposal of hazardous wastes | Kanjiro Ishizaki, Akira Asami, Shizuko Kushida | 1989-05-02 |
| 4825320 | Club magnetic tape cassette having a protective layer | Kengo Oishi | 1989-04-25 |
| 4797768 | Magnetic tape cassette with spring biased U-shaped pivotable guard panel | Kengo Oishi | 1989-01-10 |
| 4783408 | Method for the preparation of a fungal body and a lipid rich in Y-linolenic acid therefrom | Toshihiro Yokochi | 1988-11-08 |
| 4767007 | Magnetic tape cassette | Kengo Oishi | 1988-08-30 |
| 4752059 | Injection mold | Kengo Oishi | 1988-06-21 |
| 4729237 | Tuning fork vibration-type viscosity measuring apparatus | Syousuke Ishiwata, Mitsuroh Hayashi | 1988-03-08 |
| 4701822 | Magnetic tape cassette with guard panel | Kengo Oishi | 1987-10-20 |
| 4698179 | Electric conductive and sliding resin material | Eizi Asada, Tatsuhiko Fukuoka | 1987-10-06 |
| 4689702 | Magnetic tape cassette | Kengo Oishi | 1987-08-25 |
| 4687614 | Process for producing a high integrity container | Kanjiro Ishizaki, Seiichi Ozawa | 1987-08-18 |
| 4682260 | Magnetic disk cartridge | Kengo Oishi | 1987-07-21 |
| 4679427 | Apparatus for measuring viscosity | Mamoru Kanda, Shousuke Ishiwata, Mitsuroh Hayashi | 1987-07-14 |
| 4669018 | Magnetic tape cassette | Kengo Oishi | 1987-05-26 |
| 4638393 | Magnetic tape cassette having an improved braking mechanism | Kengo Oishi | 1987-01-20 |
| 4633354 | Magnetic tape cassette | Kengo Oishi | 1986-12-30 |
| 4627534 | Magnetic tape cassette storage case | Choji Komiyama | 1986-12-09 |
| 4607299 | Magnetic tape cassette including erasure prevention means, and cassette operating device for same | Kengo Oishi | 1986-08-19 |
| 4607308 | Magnetic tape cassette with dual guard panel structure | Masao Tsuruta, Kengo Oishi | 1986-08-19 |
| 4602505 | Apparatus for measuring viscosity | Mamoru Kanda, Shousuke Ishiwata, Mitsuroh Hayashi | 1986-07-29 |
| 4594513 | Multiplex design container having a three-layered wall structure and a process for producing the same | Kanjiro Ishizaki, Seiichi Ozawa | 1986-06-10 |
| 4589609 | Magnetic tape cassette | Kengo Oishi | 1986-05-20 |
| 4564157 | Magnetic recording tape cassette | Kengo Oishi | 1986-01-14 |