Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415308 | Structural body manufacturing method and panel | Yuki HARASAWA, Tadatoshi Tanji, Tatsuya Fukuda, Takurou Matsuda, Sho Nakajima | 2025-09-16 |
| 12109736 | Molded article manufacturing method | Hisanao Hato, Tadatoshi Tanji | 2024-10-08 |
| 8562898 | Method for forming resin molded articles | Tadatoshi Tanji | 2013-10-22 |
| 6109305 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 2000-08-29 |
| 6004073 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 1999-12-21 |
| 5615976 | Double walled pipe, jacking method and pipe end structure of leading pipe | Tomoya Fujimoto, Kenko Okamura, Shigeru Morishita, Masaru Murakami, Akira Adachi +4 more | 1997-04-01 |
| 5527135 | Method for injecting lubricant or back-filling material into a space between the outside of double-wall pipes and the ground in the pipe-jacking method and an apparatus therefor | Mitsutoshi Hayashi, Akitaka Fujita, Minoru Kurashina, Makoto Kajiyama, Hideki Uno | 1996-06-18 |
| 5501548 | Method for controlling the direction of a shield tunneling machine and an apparatus therefor | Mitsutoshi Hayashi, Akitaka Fujita, Isao Fujimori | 1996-03-26 |
| 5333501 | Abnormality monitoring apparatus for a pipeline | Masumi Okada, Kazuo Nakamachi, Kazuo Hattori, Yoji Takanashi, Masaru Yasuda +2 more | 1994-08-02 |