Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5185837 | Optical fiber connector including flexible fiber holding unit | Tokuichi Ayuta, Shigeo Takahashi | 1993-02-09 |
| 5142647 | Magnus measuring apparatus | Osamu Nakagawa, Nobuo Hosoya, Noriaki Kuno | 1992-08-25 |
| 4788050 | Process for producing pitch-based carbon fibers | Yoshio Sohda, Kazuyoshi Okamoto, Seiichi Uemura | 1988-11-29 |
| 4773753 | Fiber sensor | Yoshiyasu Matsumura | 1988-09-27 |
| 4690494 | Ferrule holding device for optical fiber connector | Norio Kumekawa | 1987-09-01 |
| 4656022 | Process for producing pitch carbon fibers | Seiichi Uemura, Yoshio Sohda, Takayoshi Sakamoto, Kenji Katoh | 1987-04-07 |
| 4618463 | Process for producing pitch carbon fibers | Seiichi Uemura, Yoshio Shohda, Takayoshi Sakamoto, Kenji Katoh | 1986-10-21 |
| 4575411 | Process for preparing precursor pitch for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1986-03-11 |
| 4574077 | Process for producing pitch based graphite fibers | Seiichi Uemura, Yoshio Sohda, Takayoshi Sakamoto, Yoshio Kishimoto | 1986-03-04 |
| 4557545 | Shielded electrical connector | Tomonari Ohtsuki | 1985-12-10 |
| 4544227 | Shielded electrical connector | — | 1985-10-01 |
| 4534950 | Process for producing carbon fibers | Seiichi Uemura, Yoshio Sohda | 1985-08-13 |
| 4533535 | Starting pitches for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Katoh | 1985-08-06 |
| 4521294 | Starting pitches for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1985-06-04 |
| 4490239 | Pitch for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1984-12-25 |
| 4474617 | Pitch for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1984-10-02 |
| 4470960 | Process for the production of pitch-derived carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1984-09-11 |
| 4469667 | Process for production of pitch-derived carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1984-09-04 |
| 4460557 | Starting pitches for carbon fibers | Hiroaki Takashima, Osamu Kato, Seiichi Uemura, Shunichi Yamamoto | 1984-07-17 |
| 4440624 | Starting pitches for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1984-04-03 |
| 4397830 | Starting pitches for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osami Kato | 1983-08-09 |
| 4391788 | Starting pitches for carbon fibers | Seiichi Uemura, Shunichi Yamamoto, Hiroaki Takashima, Osamu Kato | 1983-07-05 |
| 4299738 | Detergent composition | Hiroshi Suzuki, Hideo Narasaki, Sigeru Seki, Kiichi Endo | 1981-11-10 |
| 4261878 | Tap hole mixes | Seiichi Uemura | 1981-04-14 |
| 4231857 | Process for preparing petroleum-derived binder pitch | Osamu Kato, Seiichi Uemura, Syunichi Yamamoto, Hiroaki Takashima | 1980-11-04 |