Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8323368 | Production method of polishing composition | Noriyuki Takakuma, Kenji Tanimoto | 2012-12-04 |
| 7887714 | Cerium oxide sol and abrasive | Kenji Tanimoto, Tohru Nishimura | 2011-02-15 |
| 7678703 | Production method of polishing composition | Noriyuki Takakura, Kenji Tanimoto | 2010-03-16 |
| 7578862 | Abrasive compound for glass hard disk platter | Tohru Nishimura, Kenji Tanimoto | 2009-08-25 |
| 7484679 | Method of milling cerium compound by means of ball mill | Kenji Tanimoto, Gen Yamada, Noriyuki Takakuma | 2009-02-03 |
| 7431758 | Cerium oxide particles and production method therefor | Kenji Tanimoto, Noriyuki Takakuma | 2008-10-07 |
| 7423380 | Metal halide lamp that has desired color characteristic and is prevented from non-lighting due to leakage of arc tube attributable to crack occurring at thin tube, and lighting apparatus adopting the metal halide lamp | Kazuo Takeda, Kazushige Sakamoto | 2008-09-09 |
| 7230389 | Metal halide lamp having function for suppressing abnormal discharge | Kazuo Takeda, Kazushige Sakamoto, Yoshiharu Nishiura | 2007-06-12 |
| 6887289 | Cerium oxide sol and abrasive | Kenji Tanimoto, Tohru Nishimura | 2005-05-03 |
| 6719819 | Polishing composition | Tohru Nishimura, Gen Yamada | 2004-04-13 |
| 6706082 | Crystalline ceric oxide sol and process for producing the same | Tohru Nishimura, Kenji Tanimoto | 2004-03-16 |
| 6440187 | Alumina powder, process for producing the same and polishing composition | Toshio Kasai, Kiyomi Ema, Tohru Nishimura | 2002-08-27 |
| 6398827 | Polishing composition | Tohru Nishimura, Yoshitane Watanabe, Yoshiyuki Kashima, Kiyomi Ema, Yutaka Ohmori | 2002-06-04 |
| 6372003 | Polishing abrasive of crystalline ceric oxide particles having surfaces modified with hydroxyl groups | Toshio Kasai, Takao Kaga, Tohru Nishimura, Kenji Tanimoto | 2002-04-16 |
| 6311545 | Anhydrous zinc antimonate semiconductor gas sensor and method for producing the same | Jun Tamaki, Hideo Sakata | 2001-11-06 |
| 6149888 | Method of producing anhydrous zinc antimonate | Osamu Tanegashima, Hideo Sakata | 2000-11-21 |
| 6007592 | Polishing composition for aluminum disk and polishing process therewith | Toshio Kasai, Takao Kaga, Tohru Nishimura | 1999-12-28 |
| 5962343 | Process for producing crystalline ceric oxide particles and abrasive | Toshio Kasai, Takao Kaga, Tohru Nishimura, Kenji Tanimoto | 1999-10-05 |
| 5543126 | Process for preparing crystalline ceric oxide | Tohru Nishimura | 1996-08-06 |
| 5433878 | Method for producing fine particles of barium ferrite | Kunio Arai, Tadafumi Ajiri, Shin-ichi Yuki | 1995-07-18 |
| 5166817 | Liquid crystal display with compensation means of multiaxially elongated high polymer films | Katsuhiko Kumagawa, Shingo Fujita, Hiroshi Yamazoe, Shigeru Yoshida, Toshio Tatsumichi | 1992-11-24 |
| 5042917 | Liquid crystal matrix display unit | Shingo Fujita, Hiroshi Yamazoe, Isako Kikuchi | 1991-08-27 |
| 5011269 | Method of driving a ferroelectric liquid crystal matrix panel | Naohide Wakita, Tsuyoshi Uemura, Hiroyuki Ohnishi, Noriko Ohba | 1991-04-30 |
| 5010327 | Method of driving a liquid crystal matrix panel | Naohide Wakita, Tsuyoshi Uemura, Hiroyuki Ohnishi, Noriko Ohba, Shingo Fujita | 1991-04-23 |
| 4775549 | Method of producing a substrate structure for a large size display panel and an apparatus for producing the substrate structure | Toshio Tatsumichi, Katsuhiko Kumagawa, Hiroshi Yamazoe, Masahiro Nagasawa | 1988-10-04 |