Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5933534 | Image information encoding apparatus, image information decoding apparatus, and image information recording and reproducing system | Tsutomu Yamamoto | 1999-08-03 |
| 5909511 | High-efficiency coding method, high-efficiency coding apparatus, recording and reproducing apparatus, and information transmission system | — | 1999-06-01 |
| 5818968 | High-efficiency coding method, high-efficiency coding apparatus, recording and reproducing apparatus, and information transmission system | — | 1998-10-06 |
| 5775998 | Analyzer for developing attractions in a shooting game system | Shinichi Ikematsu, Hiroshi Kawakami, Satoshi Nakano, Tatsuya Kouno, Keisuke Hiromi | 1998-07-07 |
| 5738584 | Kit for developing attractions in a shooting game system | Shinichi Ikematsu, Hiroshi Kawakami, Satoshi Nakano, Tatsuya Kouno, Keisuke Hiromi | 1998-04-14 |
| 5651873 | Electroplating solution for forming Pb-Sn alloy bump electrodes on semiconductor wafer surface | Naoki Uchiyama, Masayoshi Kohinata, Akihiro Masuda, Yoshiaki Okuhama, Seishi Masaki | 1997-07-29 |
| 5618404 | Electrolytic process for producing lead sulfonate and tin sulfonate for solder plating use | Yoshiaki Okuhama, Seishi Masaki, Takao Takeuchi, Yoshiharu Matsuda | 1997-04-08 |
| 5613913 | Method for developing attractions in a shooting game system | Shinichi Ikematsu, Hiroshi Kawakami, Satoshi Nakano, Tatsuya Kouno, Keisuke Hiromi | 1997-03-25 |
| 5311307 | Image processing method | — | 1994-05-10 |
| 4673470 | Tin, lead, or tin-lead alloy plating bath | Keigo Obata, Nobuyasu Dohi, Yoshiaki Okuhama, Seishi Masaki, Yukiyoshi Okada | 1987-06-16 |
| 4459185 | Tin, lead, and tin-lead alloy plating baths | Keigo Obata, Nobuyasu Dohi, Yoshiaki Okuhama, Seishi Masaki, Yukiyoshi Okada | 1984-07-10 |