Issued Patents All Time
Showing 226–240 of 240 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4780790 | Electric device | Kiyoshi Takimoto, Haruki Kawada, Kunihiro Sakai, Yoshinori Tomida, Hiroshi Matsuda +2 more | 1988-10-25 |
| 4759399 | Method and apparatus for producing hollow metal ingots | Yukio Oguchi, Toshio Kato, Hideshi Ohzu, Kanji Aizawa, Minoru Yao | 1988-07-26 |
| 4740449 | Optical recording medium | Satoshi Yuasa, Masahiro Haruta, Yoko Yoshinaga, Hirohide Munakata, Yukuo Nishimura | 1988-04-26 |
| 4716851 | Curved surface shaping apparatus and curved surface shaping method using the same | Noritaka Mochizuki, Yukuo Nishimura | 1988-01-05 |
| 4682897 | Light scattering measuring apparatus | Ken Eguchi, Haruki Kawada, Yoshinori Tomida, Yukuo Nishimura, Takashi Nakagiri | 1987-07-28 |
| 4638366 | Automatic iris adjustment system | Yasuo Yoshimura, Kunio Yamauchi | 1987-01-20 |
| 4615373 | Method and an apparatus for manufacturing a hollow steel ingot | Kyoji Nakanishi, Akihiko Nanba, Masayuki Onishi, Minoru Yao, Toshio Kato +1 more | 1986-10-07 |
| 4510329 | Process for preparing cyclopentenolones | Hiroshi Yamachika | 1985-04-09 |
| 4465862 | Cyclopentendione and cyclopentenone | Hiroshi Yamachika | 1984-08-14 |
| 4398043 | Process for preparing cyclopentenolones | Yukihisa Takisawa, Hiroshi Yamachika | 1983-08-09 |
| 4371711 | Process for producing 4-hydroxycyclopentenones | Hiroshi Yamachika | 1983-02-01 |
| 4356326 | Process for producing 3-oxocyclopentenes | Hiroshi Yamachika | 1982-10-26 |
| 4352756 | Production of furfuryl alcohols | Yukihisa Takisawa, Hiroshi Yamachika | 1982-10-05 |
| 4347386 | Process for preparing cyclopentenolones | Hiroshi Yamachika | 1982-08-31 |
| 4330108 | Method for cooling tuyeres | Kyoji Nakanishi, Yoshiei Kato, Tsutomu Nozaki, Toshihiko Emi | 1982-05-18 |