Issued Patents 1989
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885032 | Aluminum flake pigment | Toshihiro Okai, Yoshiaki Okumura, Mitsuyuki Oda, Teruaki Kuwajima | 1989-12-05 |
| 4876568 | Focusing method for printer | Yoshio Ozawa, Takao Shigaki, Rokusaburo Kaneko | 1989-10-24 |
| 4874727 | Particulate lead titanate ceramic and composite material containing same | Kanji Ohya, Tsutomu Tsunooka, Koji Ogura, Hirofumi Ozeki | 1989-10-17 |
| 4852982 | Graded index lens array | Yoshihiko Mishina, Masaaki Oda | 1989-08-01 |
| 4849316 | Heat fixing electrophotographic toner containing olefin wax | Shoji Kawaski, Hisatomo Sato, Masaaki Shin | 1989-07-18 |
| 4849037 | Method for production of fiber reinforced plastic structure | Katsumi Kondo, Yasuhiro Tsuchiya, Yasushi Yamazawa, Masaki Terada, Tosio Aoki +2 more | 1989-07-18 |
| 4826409 | Closed type rotary compressor with rotating member to prevent back pressure on discharge valve | Hirokazu Kohayakawa, Takuho Hirahara | 1989-05-02 |
| 4822122 | Optical transmission medium and process for producing the same based on vinylidene flouride polymers and metharylate polymers | Yoshihiko Mishina, Masaaki Oda | 1989-04-18 |
| 4799761 | Plastic optical transmission medium, process for producing the same and array of lenses using the same | Yoshihiko Mishina, Masaaki Oda | 1989-01-24 |
| 4798445 | Plastic optical fiber and process for producing the same | Katsuhiko Shimada, Ryuji Murata, Yasuteru Tahara, Hiromu Terada, Kenichi Sakunaga | 1989-01-17 |