Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318837 | Soundproofing materials | Eizo Asakura, Mitsumasa Oku, Takeshi Hamabe, Motoi Kitano | 1994-06-07 |
| 5310598 | Radio wave absorbing material | Eizo Asakura, Mitsumasa Oku, Kouziro Matsuo, Hidenosuke Nakamura | 1994-05-10 |
| 5183594 | Conductive resin composition containing zinc oxide whiskers having a tetrapod structure | Eizo Asakura, Mitsumasa Oku, Motoi Kitano, Yoshio Nakatani, Hideyuki Yoshida +2 more | 1993-02-02 |
| 5171480 | Electrophotographic photosensitive member containing a conductive layer which comprises a resin and a conductive zinc oxide having a tetrapad structure | Eizo Asakura, Mitsumasa Oku, Motoi Kitano, Yoshio Nakatani, Hideyuki Yoshida +2 more | 1992-12-15 |
| 5164260 | Soundproofing materials | Eizo Asakura, Mitsumasa Oku, Takeshi Hamabe, Motoi Kitano | 1992-11-17 |
| 5158643 | Method for manufacturing zinc oxide whiskers | Eizo Asakura, Motoi Kitano, Jun Yagi, Hideyuki Yoshida, Takashige Sato | 1992-10-27 |
| 5091765 | Photoconductive cell with zinc oxide tetrapod crystals | Eizou Asakura, Mitsumasa Oku, Motoi Kitano, Hideyuki Yoshida | 1992-02-25 |
| 5087655 | Rubber modified styrene resin composition | Yasushi Okamoto, Yoshinori Kanno, Kouziro Matsuo, Jun Yagi | 1992-02-11 |
| 5087654 | Polypropylene resin composition | Hiroyuki Harada, Kenichi Ohkawa, Masashi Yamamoto, Jun Yagi, Kouziro Matsuo | 1992-02-11 |
| 5066475 | Zinc oxide whiskers having a novel crystalline form and method for making same | Eizo Asakura, Toshihiro Misaki, Motoi Kitano, Hideyuki Yoshida | 1991-11-19 |
| 4960654 | Metal composition comprising zinc oxide whiskers | Eizo Asakura, Mitsumasa Oku, Takeshi Hamabe, Motoi Kitano, Hideyuki Yoshida | 1990-10-02 |
| 4937428 | Consumable electrode type arc welding contact tip | Chuji Kiuchi, Harumi Tokushige, Yoshikatsu Sakano, Yukitoshi Yamada, Katsumi Handa | 1990-06-26 |
| 4929518 | Sealed lead-acid storage battery | Koujirou Matsuo, Kiichi Koike, Yoshie Suzuki, Mansaku Sugimoto | 1990-05-29 |
| 4745039 | Sealed lead storage battery | — | 1988-05-17 |
| 4664994 | Enclosed lead storage battery and process for producing the same | Kiichi Koike, Yoshie Suzuki, Mitsuo Okabe, Makoto Tanaka | 1987-05-12 |
| 4659636 | Sealed storage battery | Yoshie Suzuki, Kiichi Koike, Minoru Kadowaki | 1987-04-21 |