Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5213314 | Spring contact | Kenji Katayose | 1993-05-25 |
| 5199554 | Spring contact | Kenji Katayose | 1993-04-06 |
| 5094628 | Socket for light emitting diode | — | 1992-03-10 |
| 5071563 | Method for removing sulfate ions from aqueous solution of alkali metal chloride | Minoru Shiga, Takamichi Kishi | 1991-12-10 |
| 4643808 | Method for controlling chlorates | Yasushi Samejima, Minoru Shiga, Takamichi Kishi | 1987-02-17 |
| 4596639 | Electrolysis process and electrolytic cell | Tsutomu Nishio, Yasushi Samejima, Minoru Shiga, Koji Saiki | 1986-06-24 |
| 4586994 | Electrolytic process of an aqueous alkali metal halide solution and electrolytic cell used therefor | Yasushi Samejima, Minoru Shiga, Kiyoshi Yamada, Tsutomu Nishio | 1986-05-06 |
| 4574037 | Vertical type electrolytic cell and electrolytic process using the same | Yasushi Samejima, Minoru Shiga, Koji Saiki, Tsutomu Nishio | 1986-03-04 |
| 4568433 | Electrolytic process of an aqueous alkali metal halide solution | Yasushi Samejima, Minoru Shiga, Kiyoshi Yamada | 1986-02-04 |
| 4556470 | Electrolytic cell with membrane and solid, horizontal cathode plate | Yasushi Samejima, Minoru Shiga, Kiyoshi Yamada | 1985-12-03 |
| 4539083 | Method for preventing degradation in activity of a low hydrogen overvoltage cathode | Yasushi Samejima, Minoru Shiga, Takamichi Kishi | 1985-09-03 |
| 4521289 | Method and apparatus for installation of a membrane to an electrolytic cell | Tokuzo Iijima, Toshiharu Yamamoto, Kazuo Kishimoto, Takamichi Komabashiri, Akinori Hisanaga | 1985-06-04 |
| 4459196 | Electrolytic cells | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Kiyoshi Yamada, Yoshio Hatta | 1984-07-10 |
| 4443315 | Finger type electrolytic cell for the electrolysis of an aqueous alkali metal chloride solution | Tokuzo Iijima, Yasushi Samejima | 1984-04-17 |
| 4409074 | Process for electrolysis of an aqueous alkali metal chloride solution | Tokuzo Iijima, Yasushi Samejima, Yoshio Hatta | 1983-10-11 |
| 4370208 | Electrolytic process of an aqueous alkali metal halide solution and electrolytic cell | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Kiyoshi Yamada, Yoshio Hatta | 1983-01-25 |
| 4316789 | Cation exchange membranes | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1982-02-23 |
| 4316790 | Cation exchange membranes | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1982-02-23 |
| 4293395 | Process for electrolysis of an aqueous alkali metal chloride solution | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1981-10-06 |
| 4278526 | Apparatus for electrolysis of an aqueous alkali metal chloride solution | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1981-07-14 |
| 4268372 | Method and apparatus for installing a membrane to an electrolytic cell | Tokuzo Iizima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1981-05-19 |
| 4268365 | Method of electrolysis of an alkali metal chloride | Tokuzo Iijima, Toshiharu Yamamoto, Kazuo Kishimoto, Takamichi Komabashiri | 1981-05-19 |
| 4268373 | Method and apparatus for installation of a membrane to an electrolytic cell | Tokuzo Iijima, Toshiharu Yamamoto, Kazuo Kishimoto, Takamichi Komabashiri, Akinori Hisanaga | 1981-05-19 |
| 4240883 | Method for electrolysis of an aqueous alkali metal chloride solution | Tokuzo Iijima, Yasushi Samejima, Kazuo Kishimoto, Takamichi Komabashiri | 1980-12-23 |