| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Japan | 12 | |
| #2 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Foods and drinks | |
| #2 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Food proteins | |
| #2 | Foods | |
| #3 | Coating metallic material |
| # | Name | Total Patents |
|---|---|---|
| #1 | Matsuoka Hirobumi | 4 |
| #2 | Matsuoka Isao | 3 |
| #3 | Inouchi Terunobu | 2 |
| #4 | Aiba Katsuzumi | 2 |
| #5 | Matsuoka Masakatsu | 2 |
| #6 | Matsuoka Yoshihiko | 1 |
| #7 | Watanabe Etsuo | 1 |
| #8 | Suda Tadaatsu | 1 |
| #9 | Yamamoto Tsutomu | 1 |
| #10 | Wadanabe Etso | 1 |
| Publication | Filing date | Title |
|---|---|---|
| JP2011004772A | Mah-jongg table | |
| JP2004089677A | Mahjong table and its control system | |
| JP2001353376A | Method of managing virtual mah-jongg shop street | |
| JP2001058085A | Mah-jongg table | |
| JP2001173279A | Key | |
| JPH11290548A | Mahjong table | |
| JPH10274A | Mah-jong table | |
| JPH07113878A | Timepiece | |
| JPS63277160A | Take-up roller | |
| JPS63230029A | Removal of ovarium membrane of herring roe | |
| JPS6120572A | Out-of-range automatic resetting apparatus in automatic pin setting machine for balling game | |
| JPS615863A | Operation controller to automatic tweezers machine for balling game |