Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9523163 | Method for producing carbon material using catalyst, and carbon material | Mutsumasa Kyotani, Shinichi Kimura | 2016-12-20 |
| 8981120 | Organic semiconductor | Seunghun Eu, Tsuyoshi Asano | 2015-03-17 |
| 6994610 | Method and apparatus for polishing inner an internal surface of an aluminum extrusion hollow shape | Tadashi Aiura, Katsuhiko Inoue, Toshihiko Sasaki, Koji Takahashi | 2006-02-07 |
| 6783439 | Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like | Akira Hashimoto, Yoshimitu Nakashima | 2004-08-31 |
| 6322424 | Electrolytic integrated polishing method for metal workpieces using special abrasive materials | — | 2001-11-27 |
| 6322426 | Method for mirror process of external surface of long sized metal | Tomohisa Akiyoshi, Yoshimitu Nakashima | 2001-11-27 |
| 6156187 | Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby | Akira Hashimoto, Youji Azuma, Masafumi TOMITA | 2000-12-05 |
| 5216102 | Process for producing polyacetylene | Mamoru Soga, Shu Hotta, Nobuo Sonoda, Hideki Shirakawa | 1993-06-01 |
| 4425062 | Cutting and chamfering apparatus for opposing ends of tubular material | Teruaki Kawamura, Tadashi Nishimura, Ryujiro Shitamatsu | 1984-01-10 |
| 4417421 | Apparatus for polishing interior surfaces of pipes or the like | Akihiro Fukuda, Tomio Saito | 1983-11-29 |
| 4398552 | Apparatus for pickling the inner wall of tubular material | Yoshiro Tanaka, Noritsugu Fujii, Ryujiro Shitamatsu | 1983-08-16 |
| 4397328 | Cleaning apparatus of tubular materials for use in pickling facilities for the same | Yoshiro Tanaka, Hayato Moroi, Yukihiko Kamatsu, Ryujiro Shitamatsu, Tadashi Nishimura | 1983-08-09 |
| 4392506 | Apparatus for conveying tubular materials in pickling facilities of the same | Yoshiro Tanaka, Hayato Moroi, Yukihiko Komatsu, Ryujiro Shitamatsu, Tadashi Nishimura | 1983-07-12 |
| 4392267 | Apparatus for continuously pickling the outer surfaces of tubular materials | Yoshiro Tanaka, Hayato Moroi, Yukihiko Komatsu, Ryujiro Shitamatsu, Tadashi Nishimura | 1983-07-12 |
| 4233108 | Process for use in etching the outer surface of a metal member | Masamitu Tamura, Yukio Yasuhara, Shigeharu Nakamura, Masaru Sakai, Ryohei Kazihata +1 more | 1980-11-11 |