Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760896 | Apparatus for performing group control on elevators | — | 1988-08-02 |
| 4756948 | Core material for automobile bumpers | Hiroyuki Kuramochi, Hiroki Kuranari, Hisao Tetsuka, Hideto Nakatsuka, Shingo Takahashi | 1988-07-12 |
| 4716021 | Heat treatment apparatus for polyolefin resin particles | Hiroyuki Akiyama, Susumu Izawa, Shigeru Okabe | 1987-12-29 |
| 4704239 | Process for the production of expanded particles of a polymeric material | Shohei Yoshimura, Masato Kanbe, Hideki Kuwabara | 1987-11-03 |
| 4656197 | Pre-foamed particles of polyethylene resin | Shohei Yoshimura, Masahiro Hashiba, Masato Kanbe | 1987-04-07 |
| 4568608 | Pre-foamed particles of polypropylene-base resin | Hideki Kuwabara, Atushi Kitagawa | 1986-02-04 |
| 4504653 | Process for producing polyolefin resin particles | Hideki Kuwabara, Shohei Yoshimura, Yoshimi Sudo | 1985-03-12 |
| 4504601 | Process for producing pre-foamed particles of polypropylene resin | Hideki Kuwabara, Shohei Yoshimura, Yoshimi Sudo | 1985-03-12 |
| 4443393 | Method of pressurizing treatment of pre-foamed particles of polyolefin resin | Hiroyuki Akiyama, Hideki Kuwabara, Masahiko Kishida | 1984-04-17 |