Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109056 | Polypropylene molded article | Kazuhisa Kuroda | 1992-04-28 |
| 5100930 | Food container | Kazuhisa Kuroda | 1992-03-31 |
| 5086099 | Inorganic filler containing polyolefin composition | Kazuhisa Kuroda | 1992-02-04 |
| 5086100 | Inorganic filler containing polyolefin composition | Kazuhisa Kuroda | 1992-02-04 |
| 5026889 | Catalyst system for olefin polymerization and method for production of olefin polymers by using the same | Akinobu Shiga, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura | 1991-06-25 |
| 4985480 | Inorganic filler containing polyolefin composition | Kazuhisa Kuroda | 1991-01-15 |
| 4963605 | Stabilized polyolefin composition | Kazuhisa Kuroda, Tamaki Ishii, Manji Sasaki | 1990-10-16 |
| 4855327 | Process for producing pre-expanded particles of polyolefin resins | — | 1989-08-08 |
| 4839408 | Stabilized polyolefin composition | Kazuhisa Kuroda, Tamaki Ishii, Manji Sasaki | 1989-06-13 |
| 4748207 | Polypropylene sheet | Masahiro Kakugo, Kizuku Wakatsuki, Hideaki Nishio | 1988-05-31 |
| 4603174 | Stretched polypropylene film | Tadayuki Okada, Masahiro Kakugo, Kizuku Wakatsuki, Seiichiro Ima, Junichi Kimura | 1986-07-29 |
| 4584239 | Stretched multilayer polypropylene film | Masahiro Kakugo, Kizuku Wakatsuki, Seiichiro Ima, Junichi Kimura | 1986-04-22 |
| 4485035 | Process for producing highly stereoregular .alpha.-olefin polymers | Akinobu Shiga, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura | 1984-11-27 |
| 4433110 | Process for producing propylene block copolymers | Kazuo Baba, Shyozo Kawamata, Seiichiro Ima, Tatsuya Miyatake | 1984-02-21 |
| 4364851 | Process for producing olefin polymers | Akinobu Shiga, Toshio Sasaki, Masahisa Okawa, Hideaki Matsu-Ura, Yasuharu Yamada | 1982-12-21 |
| 4304892 | Olefin polymerization catalyst | Akinobu Shiga, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-12-08 |
| 4279776 | Catalyst system | Akinobu Shiga, Katsumi Hanji, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura +1 more | 1981-07-21 |
| 4259461 | Process for producing propylene-ethylene block copolymers | Akinobu Shiga, Masahiro Kakugo, Koji Yamada, Hajime Sadatoshi, Kazuki Wakamatsu +1 more | 1981-03-31 |
| 4246135 | Olefin polymerization catalyst | Akinobu Shiga, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-01-20 |
| 4243786 | Catalysts for the polymerization of olefins | Akinobu Shiga, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1981-01-06 |
| 4235984 | Process for producing highly stereoregular .alpha.-olefin polymers | Akinobu Shiga, Katsumi Hanji, Toshio Sasaki, Masahisa Okawa, Hideaki Matsuura +1 more | 1980-11-25 |
| 4217432 | Process for the polymerization of olefins | Akinobu Shiga, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Ohkawa | 1980-08-12 |
| 4183824 | Catalysts for the polymerization of olefins | Akinobu Shiga, Kazuhiro Matsumura, Toshio Sasaki, Masahisa Okawa | 1980-01-15 |