| Company Name (ID) | Factory Name | Number | Cert Date | Rept Date | Class | Suffix | Event | Notes | 
| 日本理器 (NR) | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1951-06-28 | B4604 |  | New | MR 1952-01 | 
|  | Hiraoka (枚岡) (1923-2004) | 2720 | 1953-11-16 | 1953-11-16 | B4614 |  | New | MR 1954-03 | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1955-12-31 | B4604 |  | Status | 1955 FNL | 
|  | Hiraoka (枚岡) (1923-2004) | 2720 | 1953-11-16 | 1955-12-31 | B4614 |  | Status | 1955 FNL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1958-12-31 | B4604 |  | Status | 1958 FNL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1958-12-31 | B4606 | NH | Status | 1958 FNL;  Certification date unknown | 
|  | Hiraoka (枚岡) (1923-2004) | 9671 | 1963-10-26 | 1964-12-31 | B4630 | NH | Status | 1964 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1967-12-31 | B4604 | NH | Status | 1967 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1967-12-31 | B4606 | NH | Status | 1967 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1972-12-31 | B4604 | NH | Status | 1972 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1972-12-31 | B4606 | NH | Status | 1972 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 9671 | 1963-10-26 | 1972-12-31 | B4630 | NH | Status | 1972 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 569132 | 1969-12-25 | 1972-12-31 | B4632 |  | Status | 1972 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1982-12-31 | B4604 | NH | Status | 1982 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 658 | 1951-06-28 | 1982-12-31 | B4606 | NH | Status | 1982 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 2720 | 1953-11-16 | 1982-12-31 | B4614 |  | Status | 1982 CL | 
|  | Hiraoka (枚岡) (1923-2004) | 569132 | 1969-12-25 | 1982-12-31 | B4632 |  | Status | 1982 CL | 
Key to JIS Classes: 
  B4604: Adjustable wrenches  
  B4606: Pipe wrenches  
  B4614: Combination pliers  
  B4630: Open-end wrenches  
  B4632: Box-end wrenches